49717390591 has 32 divisors (see below), whose sum is σ = 56631052800. Its totient is φ = 43233214080.

The previous prime is 49717390559. The next prime is 49717390601. The reversal of 49717390591 is 19509371794.

It is a cyclic number.

It is not a de Polignac number, because 49717390591 - 2⁵ = 49717390559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49717390691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28687761 + ... + 28689493.

It is an arithmetic number, because the mean of its divisors is an integer number (1769720400).

Almost surely, 2^49717390591 is an apocalyptic number.

49717390591 is a deficient number, since it is larger than the sum of its proper divisors (6913662209).

49717390591 is a wasteful number, since it uses less digits than its factorization.

49717390591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559.

The product of its (nonzero) digits is 2143260, while the sum is 55.

The spelling of 49717390591 in words is "forty-nine billion, seven hundred seventeen million, three hundred ninety thousand, five hundred ninety-one".