605638969794 has 24 divisors (see below), whose sum is σ = 1324957750272. Its totient is φ = 199919659320.

The previous prime is 605638969753. The next prime is 605638969823. The reversal of 605638969794 is 497969836506.

605638969794 is a `hidden beast` number, since 605 + 6 + 3 + 8 + 9 + 6 + 9 + 7 + 9 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163331202 + ... + 163334909.

It is an arithmetic number, because the mean of its divisors is an integer number (55206572928).

Almost surely, 2^605638969794 is an apocalyptic number.

605638969794 is an abundant number, since it is smaller than the sum of its proper divisors (719318780478).

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

605638969794 is a wasteful number, since it uses less digits than its factorization.

605638969794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326666222 (or 326666219 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 605638969794 in words is "six hundred five billion, six hundred thirty-eight million, nine hundred sixty-nine thousand, seven hundred ninety-four".