47919768631 has 8 divisors (see below), whose sum is σ = 55052181504. Its totient is φ = 40859038680.

The previous prime is 47919768629. The next prime is 47919768641. The reversal of 47919768631 is 13686791974.

47919768631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47919768631 - 2¹ = 47919768629 is a prime.

It is a super-2 number, since 2×47919768631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47919768631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47919768641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17919295 + ... + 17921968.

It is an arithmetic number, because the mean of its divisors is an integer number (6881522688).

Almost surely, 2^47919768631 is an apocalyptic number.

47919768631 is a deficient number, since it is larger than the sum of its proper divisors (7132412873).

47919768631 is a wasteful number, since it uses less digits than its factorization.

47919768631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35841461.

The product of its digits is 13716864, while the sum is 61.

The spelling of 47919768631 in words is "forty-seven billion, nine hundred nineteen million, seven hundred sixty-eight thousand, six hundred thirty-one".