49918081994 has 64 divisors (see below), whose sum is σ = 83919773952. Its totient is φ = 22080307200.

The previous prime is 49918081957. The next prime is 49918081999.

49918081994 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (49918081999) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 33035699 + ... + 33037209.

It is an arithmetic number, because the mean of its divisors is an integer number (1311246468).

Almost surely, 2^49918081994 is an apocalyptic number.

49918081994 is a deficient number, since it is larger than the sum of its proper divisors (34001691958).

49918081994 is a wasteful number, since it uses less digits than its factorization.

49918081994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871.

The product of its (nonzero) digits is 6718464, while the sum is 62.

The spelling of 49918081994 in words is "forty-nine billion, nine hundred eighteen million, eighty-one thousand, nine hundred ninety-four".