49985458994 has 16 divisors (see below), whose sum is σ = 76248375000. Its totient is φ = 24569775360.

The previous prime is 49985458981. The next prime is 49985459047.

49985458994 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 17414233369 + 32571225625 = 131963^2 + 180475^2 .

It is a super-2 number, since 2×49985458994² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119132 + ... + 337880.

Almost surely, 2^49985458994 is an apocalyptic number.

49985458994 is a deficient number, since it is larger than the sum of its proper divisors (26262916006).

49985458994 is a wasteful number, since it uses less digits than its factorization.

49985458994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220685.

The product of its digits is 671846400, while the sum is 74.

The spelling of 49985458994 in words is "forty-nine billion, nine hundred eighty-five million, four hundred fifty-eight thousand, nine hundred ninety-four".