49784847915 has 32 divisors (see below), whose sum is σ = 90675334656. Its totient is φ = 23088623360.

The previous prime is 49784847859. The next prime is 49784847929. The reversal of 49784847915 is 51974848794.

It is not a de Polignac number, because 49784847915 - 2⁸ = 49784847659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6555474 + ... + 6563063.

It is an arithmetic number, because the mean of its divisors is an integer number (2833604208).

Almost surely, 2^49784847915 is an apocalyptic number.

49784847915 is a deficient number, since it is larger than the sum of its proper divisors (40890486741).

49784847915 is a wasteful number, since it uses less digits than its factorization.

49784847915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13118579.

The product of its digits is 81285120, while the sum is 66.

The spelling of 49784847915 in words is "forty-nine billion, seven hundred eighty-four million, eight hundred forty-seven thousand, nine hundred fifteen".