497899557522 has 48 divisors (see below), whose sum is σ = 1163791900440. Its totient is φ = 153256536576.

The previous prime is 497899557517. The next prime is 497899557557. The reversal of 497899557522 is 225755998794.

497899557522 is a `hidden beast` number, since 4 + 9 + 7 + 8 + 9 + 95 + 5 + 7 + 522 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 480968603361 + 16930954161 = 693519^2 + 130119^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15333997 + ... + 15366432.

Almost surely, 2^497899557522 is an apocalyptic number.

497899557522 is an abundant number, since it is smaller than the sum of its proper divisors (665892342918).

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

497899557522 is a wasteful number, since it uses less digits than its factorization.

497899557522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30700507 (or 30700504 counting only the distinct ones).

The product of its digits is 571536000, while the sum is 72.

The spelling of 497899557522 in words is "four hundred ninety-seven billion, eight hundred ninety-nine million, five hundred fifty-seven thousand, five hundred twenty-two".