49971214068 has 12 divisors (see below), whose sum is σ = 116599499520. Its totient is φ = 16657071352.

The previous prime is 49971214039. The next prime is 49971214093. The reversal of 49971214068 is 86041217994.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×49971214068² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49971214068.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2082133908 + ... + 2082133931.

It is an arithmetic number, because the mean of its divisors is an integer number (9716624960).

Almost surely, 2^49971214068 is an apocalyptic number.

It is an amenable number.

49971214068 is an abundant number, since it is smaller than the sum of its proper divisors (66628285452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49971214068 is a wasteful number, since it uses less digits than its factorization.

49971214068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164267846 (or 4164267844 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 49971214068 in words is "forty-nine billion, nine hundred seventy-one million, two hundred fourteen thousand, sixty-eight".