47930970631 has 4 divisors (see below), whose sum is σ = 48010723264. Its totient is φ = 47851218000.

The previous prime is 47930970623. The next prime is 47930970641. The reversal of 47930970631 is 13607903974.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47930970631 - 2³ = 47930970623 is a prime.

It is a super-2 number, since 2×47930970631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47930970611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39875415 + ... + 39876616.

It is an arithmetic number, because the mean of its divisors is an integer number (12002680816).

Almost surely, 2^47930970631 is an apocalyptic number.

47930970631 is a deficient number, since it is larger than the sum of its proper divisors (79752633).

47930970631 is an equidigital number, since it uses as much as digits as its factorization.

47930970631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79752632.

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 47930970631 in words is "forty-seven billion, nine hundred thirty million, nine hundred seventy thousand, six hundred thirty-one".