609793636 has 9 divisors (see below), whose sum is σ = 1067225299. Its totient is φ = 304872124.

The previous prime is 609793607. The next prime is 609793669. The reversal of 609793636 is 636397906.

The square root of 609793636 is 24694.

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

It is a super-2 number, since 2×609793636² = 743696557012200992, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 609793636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43215 + ... + 55561.

Almost surely, 2^609793636 is an apocalyptic number.

609793636 is the 24694-th square number.

It is an amenable number.

609793636 is a deficient number, since it is larger than the sum of its proper divisors (457431663).

609793636 is an frugal number, since it uses more digits than its factorization.

609793636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24698 (or 12349 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 49.

The cubic root of 609793636 is about 847.9969610221.

Multiplying 609793636 by its sum of digits (49), we get a square (29879888164 = 172858²).

The spelling of 609793636 in words is "six hundred nine million, seven hundred ninety-three thousand, six hundred thirty-six".