6315390893 has 16 divisors (see below), whose sum is σ = 7380824064. Its totient is φ = 5291069040.

The previous prime is 6315390889. The next prime is 6315390953. The reversal of 6315390893 is 3980935136.

It is a cyclic number.

It is not a de Polignac number, because 6315390893 - 2² = 6315390889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6315390833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246728 + ... + 271118.

It is an arithmetic number, because the mean of its divisors is an integer number (461301504).

Almost surely, 2^6315390893 is an apocalyptic number.

It is an amenable number.

6315390893 is a deficient number, since it is larger than the sum of its proper divisors (1065433171).

6315390893 is a wasteful number, since it uses less digits than its factorization.

6315390893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25232.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 6315390893 is about 79469.4337025249. The cubic root of 6315390893 is about 1848.4175309088.

The spelling of 6315390893 in words is "six billion, three hundred fifteen million, three hundred ninety thousand, eight hundred ninety-three".