49318172312 has 32 divisors (see below), whose sum is σ = 94994421600. Its totient is φ = 23986658304.

The previous prime is 49318172287. The next prime is 49318172327. The reversal of 49318172312 is 21327181394.

It is a happy number.

It is a super-2 number, since 2×49318172312² (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 49318172312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317389 + ... + 1354307.

It is an arithmetic number, because the mean of its divisors is an integer number (2968575675).

Almost surely, 2^49318172312 is an apocalyptic number.

It is an amenable number.

49318172312 is a deficient number, since it is larger than the sum of its proper divisors (45676249288).

49318172312 is a wasteful number, since it uses less digits than its factorization.

49318172312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41475 (or 41471 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The spelling of 49318172312 in words is "forty-nine billion, three hundred eighteen million, one hundred seventy-two thousand, three hundred twelve".