49527064639 has 4 divisors (see below), whose sum is σ = 53336838856. Its totient is φ = 45717290424.

The previous prime is 49527064627. The next prime is 49527064663. The reversal of 49527064639 is 93646072594.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49527064639 - 2²⁹ = 48990193727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49527064639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49527064679) 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, 1904887089 + ... + 1904887114.

It is an arithmetic number, because the mean of its divisors is an integer number (13334209714).

Almost surely, 2^49527064639 is an apocalyptic number.

49527064639 is a deficient number, since it is larger than the sum of its proper divisors (3809774217).

49527064639 is a wasteful number, since it uses less digits than its factorization.

49527064639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809774216.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 49527064639 in words is "forty-nine billion, five hundred twenty-seven million, sixty-four thousand, six hundred thirty-nine".