497621608929 has 27 divisors (see below), whose sum is σ = 734552316433. Its totient is φ = 324624377832.

The previous prime is 497621608927. The next prime is 497621608963. The reversal of 497621608929 is 929806126794.

The square root of 497621608929 is 705423.

It is a perfect power (a square), and thus also a powerful number.

497621608929 is a `hidden beast` number, since 497 + 6 + 2 + 1 + 60 + 89 + 2 + 9 = 666.

It is not a de Polignac number, because 497621608929 - 2¹ = 497621608927 is a prime.

It is a super-2 number, since 2×497621608929² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497621608927) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 99462142 + ... + 99467144.

Almost surely, 2^497621608929 is an apocalyptic number.

497621608929 is the 705423-rd square number.

497621608929 is the 352712-nd centered octagonal number.

It is an amenable number.

497621608929 is a deficient number, since it is larger than the sum of its proper divisors (236930707504).

497621608929 is an frugal number, since it uses more digits than its factorization.

497621608929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106 (or 5053 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 497621608929 in words is "four hundred ninety-seven billion, six hundred twenty-one million, six hundred eight thousand, nine hundred twenty-nine".