499221566744 has 8 divisors (see below), whose sum is σ = 936040437660. Its totient is φ = 249610783368.

The previous prime is 499221566737. The next prime is 499221566759. The reversal of 499221566744 is 447665122994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31201347914 + ... + 31201347929.

Almost surely, 2^499221566744 is an apocalyptic number.

It is an amenable number.

499221566744 is a deficient number, since it is larger than the sum of its proper divisors (436818870916).

499221566744 is a wasteful number, since it uses less digits than its factorization.

499221566744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62402695849 (or 62402695845 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The spelling of 499221566744 in words is "four hundred ninety-nine billion, two hundred twenty-one million, five hundred sixty-six thousand, seven hundred forty-four".