49519052718 has 32 divisors (see below), whose sum is σ = 108479878560. Its totient is φ = 14999685120.

The previous prime is 49519052717. The next prime is 49519052729. The reversal of 49519052718 is 81725091594.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49519052717) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8367403 + ... + 8373318.

It is an arithmetic number, because the mean of its divisors is an integer number (3389996205).

Almost surely, 2^49519052718 is an apocalyptic number.

49519052718 is an abundant number, since it is smaller than the sum of its proper divisors (58960825842).

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

49519052718 is a wasteful number, since it uses less digits than its factorization.

49519052718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16740772.

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 49519052718 in words is "forty-nine billion, five hundred nineteen million, fifty-two thousand, seven hundred eighteen".