47816565431 has 8 divisors (see below), whose sum is σ = 50637116304. Its totient is φ = 44996882560.

The previous prime is 47816565373. The next prime is 47816565437. The reversal of 47816565431 is 13456561874.

47816565431 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 47816565431 - 2¹⁰ = 47816564407 is a prime.

It is a super-2 number, since 2×47816565431² (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 47816565431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47816565437) 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, 101825 + ... + 325578.

It is an arithmetic number, because the mean of its divisors is an integer number (6329639538).

Almost surely, 2^47816565431 is an apocalyptic number.

47816565431 is a deficient number, since it is larger than the sum of its proper divisors (2820550873).

47816565431 is a wasteful number, since it uses less digits than its factorization.

47816565431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434001.

The product of its digits is 2419200, while the sum is 50.

The spelling of 47816565431 in words is "forty-seven billion, eight hundred sixteen million, five hundred sixty-five thousand, four hundred thirty-one".