Search a number
-
+
1357074769 is a prime number
BaseRepresentation
bin101000011100011…
…0101000101010001
310111120120112121111
41100320311011101
510234402343034
6342354453321
745425642131
oct12070650521
93446515544
101357074769
116370403a6
1231a594241
131881cc62b
14cc33aac1
157e216364
hex50e35151

1357074769 has 2 divisors, whose sum is σ = 1357074770. Its totient is φ = 1357074768.

The previous prime is 1357074767. The next prime is 1357074787. The reversal of 1357074769 is 9674707531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1326416400 + 30658369 = 36420^2 + 5537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1357074769 - 21 = 1357074767 is a prime.

It is a super-2 number, since 2×13570747692 = 3683303857312806722, which contains 22 as substring.

Together with 1357074767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1357074767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678537384 + 678537385.

It is an arithmetic number, because the mean of its divisors is an integer number (678537385).

Almost surely, 21357074769 is an apocalyptic number.

It is an amenable number.

1357074769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357074769 is an equidigital number, since it uses as much as digits as its factorization.

1357074769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1111320, while the sum is 49.

The square root of 1357074769 is about 36838.4957483337. The cubic root of 1357074769 is about 1107.1367291803.

The spelling of 1357074769 in words is "one billion, three hundred fifty-seven million, seventy-four thousand, seven hundred sixty-nine".