6316562881 has 4 divisors (see below), whose sum is σ = 6333774592. Its totient is φ = 6299351172.

The previous prime is 6316562831. The next prime is 6316562969. The reversal of 6316562881 is 1882656136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6316562881 - 2¹⁵ = 6316530113 is a prime.

It is a super-2 number, since 2×6316562881² = 79797933259254040322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6316562801) 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, 8605305 + ... + 8606038.

It is an arithmetic number, because the mean of its divisors is an integer number (1583443648).

Almost surely, 2^6316562881 is an apocalyptic number.

It is an amenable number.

6316562881 is a deficient number, since it is larger than the sum of its proper divisors (17211711).

6316562881 is a wasteful number, since it uses less digits than its factorization.

6316562881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211710.

The product of its digits is 414720, while the sum is 46.

The square root of 6316562881 is about 79476.8071892675. The cubic root of 6316562881 is about 1848.5318647750.

The spelling of 6316562881 in words is "six billion, three hundred sixteen million, five hundred sixty-two thousand, eight hundred eighty-one".