49718012994 has 144 divisors (see below), whose sum is σ = 123590001600. Its totient is φ = 14397761664.

The previous prime is 49718012933. The next prime is 49718013011. The reversal of 49718012994 is 49921081794.

It is a self number, because there is not a number n which added to its sum of digits gives 49718012994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9071547 + ... + 9077025.

It is an arithmetic number, because the mean of its divisors is an integer number (858263900).

Almost surely, 2^49718012994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49718012994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61795000800).

49718012994 is an abundant number, since it is smaller than the sum of its proper divisors (73871988606).

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

49718012994 is a wasteful number, since it uses less digits than its factorization.

49718012994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689 (or 5673 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 49718012994 in words is "forty-nine billion, seven hundred eighteen million, twelve thousand, nine hundred ninety-four".