309325618497 has 16 divisors (see below), whose sum is σ = 473411642240. Its totient is φ = 175985626752.

The previous prime is 309325618429. The next prime is 309325618513. The reversal of 309325618497 is 794816523903.

It is not a de Polignac number, because 309325618497 - 2¹² = 309325614401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (309325618417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32156308 + ... + 32165925.

It is an arithmetic number, because the mean of its divisors is an integer number (29588227640).

It is a 1-persistent number, because it is pandigital, but 2⋅309325618497 = 618651236994 is not.

Almost surely, 2^309325618497 is an apocalyptic number.

It is an amenable number.

309325618497 is a deficient number, since it is larger than the sum of its proper divisors (164086023743).

309325618497 is a wasteful number, since it uses less digits than its factorization.

309325618497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64322472.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 309325618497 in words is "three hundred nine billion, three hundred twenty-five million, six hundred eighteen thousand, four hundred ninety-seven".