15274240957 has 2 divisors, whose sum is σ = 15274240958. Its totient is φ = 15274240956.

The previous prime is 15274240907. The next prime is 15274240967. The reversal of 15274240957 is 75904247251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15274240921 + 36 = 123589^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 15274240957 - 2¹⁵ = 15274208189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15274240907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7637120478 + 7637120479.

It is an arithmetic number, because the mean of its divisors is an integer number (7637120479).

Almost surely, 2^15274240957 is an apocalyptic number.

It is an amenable number.

15274240957 is a deficient number, since it is larger than the sum of its proper divisors (1).

15274240957 is an equidigital number, since it uses as much as digits as its factorization.

15274240957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 15274240957 in words is "fifteen billion, two hundred seventy-four million, two hundred forty thousand, nine hundred fifty-seven".