Search a number
-
+
1349926169 is a prime number
BaseRepresentation
bin101000001110110…
…0011110100011001
310111002010100120112
41100131203310121
510231040114134
6341541334105
745311116544
oct12035436431
93432110515
101349926169
11632aa8569
12318107335
131868988a7
14cb3d985b
157d7a31ce
hex50763d19

1349926169 has 2 divisors, whose sum is σ = 1349926170. Its totient is φ = 1349926168.

The previous prime is 1349926141. The next prime is 1349926181. The reversal of 1349926169 is 9616299431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155184144 + 194742025 = 33988^2 + 13955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349926169 - 224 = 1333148953 is a prime.

It is a super-2 number, since 2×13499261692 = 3644601323502033122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1349926139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674963084 + 674963085.

It is an arithmetic number, because the mean of its divisors is an integer number (674963085).

Almost surely, 21349926169 is an apocalyptic number.

It is an amenable number.

1349926169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349926169 is an equidigital number, since it uses as much as digits as its factorization.

1349926169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 50.

The square root of 1349926169 is about 36741.3414153593. The cubic root of 1349926169 is about 1105.1893013930.

The spelling of 1349926169 in words is "one billion, three hundred forty-nine million, nine hundred twenty-six thousand, one hundred sixty-nine".