495557036397 has 32 divisors (see below), whose sum is σ = 735072840960. Its totient is φ = 329960252160.

The previous prime is 495557036353. The next prime is 495557036431. The reversal of 495557036397 is 793630755594.

495557036397 is a `hidden beast` number, since 4 + 9 + 55 + 570 + 3 + 6 + 3 + 9 + 7 = 666.

It is not a de Polignac number, because 495557036397 - 2¹⁵ = 495557003629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495557036327) 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 in 31 ways as a sum of consecutive naturals, for example, 103389433 + ... + 103394225.

It is an arithmetic number, because the mean of its divisors is an integer number (22971026280).

Almost surely, 2^495557036397 is an apocalyptic number.

It is an amenable number.

495557036397 is a deficient number, since it is larger than the sum of its proper divisors (239515804563).

495557036397 is a wasteful number, since it uses less digits than its factorization.

495557036397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770 (or 8764 counting only the distinct ones).

The product of its (nonzero) digits is 107163000, while the sum is 63.

The spelling of 495557036397 in words is "four hundred ninety-five billion, five hundred fifty-seven million, thirty-six thousand, three hundred ninety-seven".