215623297496 has 16 divisors (see below), whose sum is σ = 404304323400. Its totient is φ = 107808811264.

The previous prime is 215623297429. The next prime is 215623297501. The reversal of 215623297496 is 694792326512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12281 + ... + 656808.

Almost surely, 2^215623297496 is an apocalyptic number.

It is an amenable number.

215623297496 is a deficient number, since it is larger than the sum of its proper divisors (188681025904).

215623297496 is a wasteful number, since it uses less digits than its factorization.

215623297496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709378 (or 709374 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 56.

The spelling of 215623297496 in words is "two hundred fifteen billion, six hundred twenty-three million, two hundred ninety-seven thousand, four hundred ninety-six".