49540668771 has 64 divisors (see below), whose sum is σ = 74540229120. Its totient is φ = 29013120000.

The previous prime is 49540668769. The next prime is 49540668773. The reversal of 49540668771 is 17786604594.

It is an interprime number because it is at equal distance from previous prime (49540668769) and next prime (49540668773).

It is not a de Polignac number, because 49540668771 - 2¹ = 49540668769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49540668773) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 28259631 + ... + 28261383.

It is an arithmetic number, because the mean of its divisors is an integer number (1164691080).

Almost surely, 2^49540668771 is an apocalyptic number.

49540668771 is a deficient number, since it is larger than the sum of its proper divisors (24999560349).

49540668771 is a wasteful number, since it uses less digits than its factorization.

49540668771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 49540668771 in words is "forty-nine billion, five hundred forty million, six hundred sixty-eight thousand, seven hundred seventy-one".