245644324475 has 48 divisors (see below), whose sum is σ = 339100465824. Its totient is φ = 174999552000.

The previous prime is 245644324469. The next prime is 245644324481. The reversal of 245644324475 is 574423446542.

It is an interprime number because it is at equal distance from previous prime (245644324469) and next prime (245644324481).

It is not a de Polignac number, because 245644324475 - 2²⁸ = 245375889019 is a prime.

It is a super-2 number, since 2×245644324475² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9329429 + ... + 9355721.

It is an arithmetic number, because the mean of its divisors is an integer number (7064593038).

Almost surely, 2^245644324475 is an apocalyptic number.

245644324475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245644324475 is a deficient number, since it is larger than the sum of its proper divisors (93456141349).

245644324475 is a wasteful number, since it uses less digits than its factorization.

245644324475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27008 (or 27003 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 50.

The spelling of 245644324475 in words is "two hundred forty-five billion, six hundred forty-four million, three hundred twenty-four thousand, four hundred seventy-five".