497565863464 has 8 divisors (see below), whose sum is σ = 932935994010. Its totient is φ = 248782931728.

The previous prime is 497565863449. The next prime is 497565863477. The reversal of 497565863464 is 464368565794.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 465885423364 + 31680440100 = 682558^2 + 177990^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 497565863464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31097866459 + ... + 31097866474.

Almost surely, 2^497565863464 is an apocalyptic number.

It is an amenable number.

497565863464 is a deficient number, since it is larger than the sum of its proper divisors (435370130546).

497565863464 is a wasteful number, since it uses less digits than its factorization.

497565863464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62195732939 (or 62195732935 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 67.

The spelling of 497565863464 in words is "four hundred ninety-seven billion, five hundred sixty-five million, eight hundred sixty-three thousand, four hundred sixty-four".