47215773631 has 8 divisors (see below), whose sum is σ = 51141676320. Its totient is φ = 43331859552.

The previous prime is 47215773617. The next prime is 47215773713. The reversal of 47215773631 is 13637751274.

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 47215773631 - 2¹⁵ = 47215740863 is a prime.

It is a super-2 number, since 2×47215773631² (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 (47215773931) 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, 10494811 + ... + 10499308.

It is an arithmetic number, because the mean of its divisors is an integer number (6392709540).

Almost surely, 2^47215773631 is an apocalyptic number.

47215773631 is a deficient number, since it is larger than the sum of its proper divisors (3925902689).

47215773631 is a wasteful number, since it uses less digits than its factorization.

47215773631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20994305.

The product of its digits is 740880, while the sum is 46.

The spelling of 47215773631 in words is "forty-seven billion, two hundred fifteen million, seven hundred seventy-three thousand, six hundred thirty-one".