623668392496 has 10 divisors (see below), whose sum is σ = 1208357510492. Its totient is φ = 311834196240.

The previous prime is 623668392481. The next prime is 623668392509. The reversal of 623668392496 is 694293866326.

It is a super-2 number, since 2×623668392496² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19489637250 + ... + 19489637281.

Almost surely, 2^623668392496 is an apocalyptic number.

It is an amenable number.

623668392496 is a deficient number, since it is larger than the sum of its proper divisors (584689117996).

623668392496 is a wasteful number, since it uses less digits than its factorization.

623668392496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38979274539 (or 38979274533 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 64.

The spelling of 623668392496 in words is "six hundred twenty-three billion, six hundred sixty-eight million, three hundred ninety-two thousand, four hundred ninety-six".