6315021604 has 12 divisors (see below), whose sum is σ = 11057766300. Its totient is φ = 3155659808.

The previous prime is 6315021599. The next prime is 6315021617. The reversal of 6315021604 is 4061205136.

It can be written as a sum of positive squares in 2 ways, for example, as 1520844004 + 4794177600 = 38998^2 + 69240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455059 + ... + 468730.

It is an arithmetic number, because the mean of its divisors is an integer number (921480525).

Almost surely, 2^6315021604 is an apocalyptic number.

It is an amenable number.

6315021604 is a deficient number, since it is larger than the sum of its proper divisors (4742744696).

6315021604 is a wasteful number, since it uses less digits than its factorization.

6315021604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925502 (or 925500 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6315021604 is about 79467.1102029009. The cubic root of 6315021604 is about 1848.3815018079.

The spelling of 6315021604 in words is "six billion, three hundred fifteen million, twenty-one thousand, six hundred four".