499172860725 has 96 divisors (see below), whose sum is σ = 1034333798400. Its totient is φ = 206361888000.

The previous prime is 499172860679. The next prime is 499172860733. The reversal of 499172860725 is 527068271994.

It is not a de Polignac number, because 499172860725 - 2¹² = 499172856629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 876751 + ... + 1329299.

It is an arithmetic number, because the mean of its divisors is an integer number (10774310400).

Almost surely, 2^499172860725 is an apocalyptic number.

It is an amenable number.

499172860725 is an abundant number, since it is smaller than the sum of its proper divisors (535160937675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499172860725 is a wasteful number, since it uses less digits than its factorization.

499172860725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452771 (or 452766 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 499172860725 in words is "four hundred ninety-nine billion, one hundred seventy-two million, eight hundred sixty thousand, seven hundred twenty-five".