499999564 has 6 divisors (see below), whose sum is σ = 874999244. Its totient is φ = 249999780.

The previous prime is 499999547. The next prime is 499999613. The reversal of 499999564 is 465999994.

It is a junction number, because it is equal to n+sod(n) for n = 499999496 and 499999505.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62499942 + ... + 62499949.

Almost surely, 2^499999564 is an apocalyptic number.

It is an amenable number.

499999564 is a deficient number, since it is larger than the sum of its proper divisors (374999680).

499999564 is a wasteful number, since it uses less digits than its factorization.

499999564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124999895 (or 124999893 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 64.

The square root of 499999564 is about 22360.6700257394. The cubic root of 499999564 is about 793.7002952817.

The spelling of 499999564 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, five hundred sixty-four".