49993439994 has 12 divisors (see below), whose sum is σ = 108319120026. Its totient is φ = 16664479992.

The previous prime is 49993439989. The next prime is 49993440001.

49993439994 is a `hidden beast` number, since 499 + 9 + 3 + 43 + 9 + 9 + 94 = 666.

49993439994 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 32665140225 + 17328299769 = 180735^2 + 131637^2 .

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 5 ways as a sum of consecutive naturals, for example, 1388706649 + ... + 1388706684.

Almost surely, 2^49993439994 is an apocalyptic number.

49993439994 is an abundant number, since it is smaller than the sum of its proper divisors (58325680032).

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

49993439994 is a wasteful number, since it uses less digits than its factorization.

49993439994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777413341 (or 2777413338 counting only the distinct ones).

The product of its digits is 306110016, while the sum is 72.

The spelling of 49993439994 in words is "forty-nine billion, nine hundred ninety-three million, four hundred thirty-nine thousand, nine hundred ninety-four".