6313599881 has 8 divisors (see below), whose sum is σ = 6504982344. Its totient is φ = 6123998080.

The previous prime is 6313599863. The next prime is 6313599883. The reversal of 6313599881 is 1889953136.

6313599881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 567201856 + 5746398025 = 23816^2 + 75805^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6313599881 is a prime.

It is a super-2 number, since 2×6313599881² = 79723086914726428322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6313599883) 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, 437966 + ... + 452151.

It is an arithmetic number, because the mean of its divisors is an integer number (813122793).

Almost surely, 2^6313599881 is an apocalyptic number.

It is an amenable number.

6313599881 is a deficient number, since it is larger than the sum of its proper divisors (191382463).

6313599881 is a wasteful number, since it uses less digits than its factorization.

6313599881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890331.

The product of its digits is 1399680, while the sum is 53.

The square root of 6313599881 is about 79458.1643445153. The cubic root of 6313599881 is about 1848.2427805233.

The spelling of 6313599881 in words is "six billion, three hundred thirteen million, five hundred ninety-nine thousand, eight hundred eighty-one".