499647417564 has 48 divisors (see below), whose sum is σ = 1169772470048. Its totient is φ = 165988113408.

The previous prime is 499647417551. The next prime is 499647417601. The reversal of 499647417564 is 465714746994.

It is a junction number, because it is equal to n+sod(n) for n = 499647417495 and 499647417504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39345264 + ... + 39357960.

Almost surely, 2^499647417564 is an apocalyptic number.

It is an amenable number.

499647417564 is an abundant number, since it is smaller than the sum of its proper divisors (670125052484).

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

499647417564 is a wasteful number, since it uses less digits than its factorization.

499647417564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23494 (or 23492 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 66.

The spelling of 499647417564 in words is "four hundred ninety-nine billion, six hundred forty-seven million, four hundred seventeen thousand, five hundred sixty-four".