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1371794741 is a prime number
BaseRepresentation
bin101000111000011…
…1110110100110101
310112121021101121122
41101300332310311
510302134412431
6344042153325
745665030402
oct12160766465
93477241548
101371794741
11644384769
123234b2845
1318b284685
14d028d2a9
1580672a7b
hex51c3ed35

1371794741 has 2 divisors, whose sum is σ = 1371794742. Its totient is φ = 1371794740.

The previous prime is 1371794731. The next prime is 1371794747. The reversal of 1371794741 is 1474971731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1309716100 + 62078641 = 36190^2 + 7879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1371794741 is a prime.

It is a super-2 number, since 2×13717947412 = 3763641622870514162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1371794692 and 1371794701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371794747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685897370 + 685897371.

It is an arithmetic number, because the mean of its divisors is an integer number (685897371).

Almost surely, 21371794741 is an apocalyptic number.

It is an amenable number.

1371794741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371794741 is an equidigital number, since it uses as much as digits as its factorization.

1371794741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 44.

The square root of 1371794741 is about 37037.7475152040. The cubic root of 1371794741 is about 1111.1253206290.

The spelling of 1371794741 in words is "one billion, three hundred seventy-one million, seven hundred ninety-four thousand, seven hundred forty-one".