49275971892 has 120 divisors (see below), whose sum is σ = 147593097344. Its totient is φ = 14043129408.

The previous prime is 49275971887. The next prime is 49275971917. The reversal of 49275971892 is 29817957294.

49275971892 is a `hidden beast` number, since 4 + 9 + 27 + 597 + 18 + 9 + 2 = 666.

49275971892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 873033 + ... + 927759.

Almost surely, 2^49275971892 is an apocalyptic number.

49275971892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49275971892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73796548672).

49275971892 is an abundant number, since it is smaller than the sum of its proper divisors (98317125452).

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

49275971892 is a wasteful number, since it uses less digits than its factorization.

49275971892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55147 (or 55136 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The spelling of 49275971892 in words is "forty-nine billion, two hundred seventy-five million, nine hundred seventy-one thousand, eight hundred ninety-two".