47749681152 has 78 divisors (see below), whose sum is σ = 137926791002. Its totient is φ = 15916548096.

The previous prime is 47749681123. The next prime is 47749681157. The reversal of 47749681152 is 25118694774.

47749681152 is a `hidden beast` number, since 4 + 77 + 496 + 81 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46077198336 + 1672482816 = 214656^2 + 40896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47749681157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610783 + ... + 684510.

Almost surely, 2^47749681152 is an apocalyptic number.

It is an amenable number.

47749681152 is an abundant number, since it is smaller than the sum of its proper divisors (90177109850).

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

47749681152 is a wasteful number, since it uses less digits than its factorization.

47749681152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295323 (or 1295298 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 47749681152 in words is "forty-seven billion, seven hundred forty-nine million, six hundred eighty-one thousand, one hundred fifty-two".