49155868964 has 24 divisors (see below), whose sum is σ = 87253370400. Its totient is φ = 24226737984.

The previous prime is 49155868913. The next prime is 49155868969. The reversal of 49155868964 is 46986855194.

It is a self number, because there is not a number n which added to its sum of digits gives 49155868964.

It is not an unprimeable number, because it can be changed into a prime (49155868969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446567 + ... + 545649.

It is an arithmetic number, because the mean of its divisors is an integer number (3635557100).

Almost surely, 2^49155868964 is an apocalyptic number.

It is an amenable number.

49155868964 is a deficient number, since it is larger than the sum of its proper divisors (38097501436).

49155868964 is a wasteful number, since it uses less digits than its factorization.

49155868964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100859 (or 100857 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 65.

The spelling of 49155868964 in words is "forty-nine billion, one hundred fifty-five million, eight hundred sixty-eight thousand, nine hundred sixty-four".