49213799856 has 100 divisors (see below), whose sum is σ = 153395914672. Its totient is φ = 15142702464.

The previous prime is 49213799813. The next prime is 49213799911. The reversal of 49213799856 is 65899731294.

49213799856 is a `hidden beast` number, since 492 + 1 + 3 + 7 + 9 + 98 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 49213799793 and 49213799802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1443676 + ... + 1477371.

Almost surely, 2^49213799856 is an apocalyptic number.

It is an amenable number.

49213799856 is an abundant number, since it is smaller than the sum of its proper divisors (104182114816).

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

49213799856 is a wasteful number, since it uses less digits than its factorization.

49213799856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921080 (or 2921065 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 49213799856 in words is "forty-nine billion, two hundred thirteen million, seven hundred ninety-nine thousand, eight hundred fifty-six".