47431974912 has 384 divisors, whose sum is σ = 151212837600. Its totient is φ = 13179027456.

The previous prime is 47431974911. The next prime is 47431974923. The reversal of 47431974912 is 21947913474.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (47431974911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207126414 + ... + 207126642.

Almost surely, 2^47431974912 is an apocalyptic number.

47431974912 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 47431974912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75606418800).

47431974912 is an abundant number, since it is smaller than the sum of its proper divisors (103780862688).

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

47431974912 is an equidigital number, since it uses as much as digits as its factorization.

47431974912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 284 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The spelling of 47431974912 in words is "forty-seven billion, four hundred thirty-one million, nine hundred seventy-four thousand, nine hundred twelve".