49493816018 has 16 divisors (see below), whose sum is σ = 74608218720. Its totient is φ = 24624600000.

The previous prime is 49493816017. The next prime is 49493816023. The reversal of 49493816018 is 81061839494.

49493816018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49493816017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480698 + ... + 574506.

It is an arithmetic number, because the mean of its divisors is an integer number (4663013670).

Almost surely, 2^49493816018 is an apocalyptic number.

49493816018 is a deficient number, since it is larger than the sum of its proper divisors (25114402702).

49493816018 is a wasteful number, since it uses less digits than its factorization.

49493816018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95113.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 49493816018 in words is "forty-nine billion, four hundred ninety-three million, eight hundred sixteen thousand, eighteen".