49424626591 has 4 divisors (see below), whose sum is σ = 49425103512. Its totient is φ = 49424149672.

The previous prime is 49424626579. The next prime is 49424626597. The reversal of 49424626591 is 19562642494.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49424626591 - 2²¹ = 49422529439 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 (49424626597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10141 + ... + 314566.

It is an arithmetic number, because the mean of its divisors is an integer number (12356275878).

Almost surely, 2^49424626591 is an apocalyptic number.

49424626591 is a deficient number, since it is larger than the sum of its proper divisors (476921).

49424626591 is a wasteful number, since it uses less digits than its factorization.

49424626591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476920.

The product of its digits is 3732480, while the sum is 52.

The spelling of 49424626591 in words is "forty-nine billion, four hundred twenty-four million, six hundred twenty-six thousand, five hundred ninety-one".