497166850388 has 12 divisors (see below), whose sum is σ = 936968295060. Its totient is φ = 229461623232.

The previous prime is 497166850333. The next prime is 497166850393. The reversal of 497166850388 is 883058661794.

It can be written as a sum of positive squares in 2 ways, for example, as 80248691524 + 416918158864 = 283282^2 + 645692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4780450433 + ... + 4780450536.

It is an arithmetic number, because the mean of its divisors is an integer number (78080691255).

Almost surely, 2^497166850388 is an apocalyptic number.

It is an amenable number.

497166850388 is a deficient number, since it is larger than the sum of its proper divisors (439801444672).

497166850388 is a wasteful number, since it uses less digits than its factorization.

497166850388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560900986 (or 9560900984 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 497166850388 in words is "four hundred ninety-seven billion, one hundred sixty-six million, eight hundred fifty thousand, three hundred eighty-eight".