49978179364 has 9 divisors (see below), whose sum is σ = 87462596347. Its totient is φ = 24988866124.

The previous prime is 49978179347. The next prime is 49978179379. The reversal of 49978179364 is 46397187994.

The square root of 49978179364 is 223558.

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

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 49978179364.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 391227 + ... + 503005.

Almost surely, 2^49978179364 is an apocalyptic number.

49978179364 is the 223558-th square number.

It is an amenable number.

49978179364 is a deficient number, since it is larger than the sum of its proper divisors (37484416983).

49978179364 is an frugal number, since it uses more digits than its factorization.

49978179364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223562 (or 111781 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 67.

The spelling of 49978179364 in words is "forty-nine billion, nine hundred seventy-eight million, one hundred seventy-nine thousand, three hundred sixty-four".