49871274915 has 128 divisors (see below), whose sum is σ = 105698027520. Its totient is φ = 19469721600.

The previous prime is 49871274881. The next prime is 49871274967. The reversal of 49871274915 is 51947217894.

It is not a de Polignac number, because 49871274915 - 2⁸ = 49871274659 is a prime.

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 127 ways as a sum of consecutive naturals, for example, 1219195 + ... + 1259435.

It is an arithmetic number, because the mean of its divisors is an integer number (825765840).

Almost surely, 2^49871274915 is an apocalyptic number.

49871274915 is an abundant number, since it is smaller than the sum of its proper divisors (55826752605).

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

49871274915 is a wasteful number, since it uses less digits than its factorization.

49871274915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40333.

The product of its digits is 5080320, while the sum is 57.

The spelling of 49871274915 in words is "forty-nine billion, eight hundred seventy-one million, two hundred seventy-four thousand, nine hundred fifteen".