628194504836 has 24 divisors (see below), whose sum is σ = 1112638606464. Its totient is φ = 310298122080.

The previous prime is 628194504823. The next prime is 628194504841. The reversal of 628194504836 is 638405491826.

It is a super-2 number, since 2×628194504836² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10897706 + ... + 10955198.

It is an arithmetic number, because the mean of its divisors is an integer number (46359941936).

Almost surely, 2^628194504836 is an apocalyptic number.

It is an amenable number.

628194504836 is a deficient number, since it is larger than the sum of its proper divisors (484444101628).

628194504836 is a wasteful number, since it uses less digits than its factorization.

628194504836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90491 (or 90489 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 628194504836 in words is "six hundred twenty-eight billion, one hundred ninety-four million, five hundred four thousand, eight hundred thirty-six".