2013865604 has 6 divisors (see below), whose sum is σ = 3524264814. Its totient is φ = 1006932800.

The previous prime is 2013865591. The next prime is 2013865643. The reversal of 2013865604 is 4065683102.

It can be written as a sum of positive squares in only one way, i.e., 1875756100 + 138109504 = 43310^2 + 11752^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251733197 + ... + 251733204.

It is an arithmetic number, because the mean of its divisors is an integer number (587377469).

Almost surely, 2^2013865604 is an apocalyptic number.

It is an amenable number.

2013865604 is a deficient number, since it is larger than the sum of its proper divisors (1510399210).

2013865604 is a wasteful number, since it uses less digits than its factorization.

2013865604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503466405 (or 503466403 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2013865604 is about 44876.1139583186. The cubic root of 2013865604 is about 1262.8259415800.

The spelling of 2013865604 in words is "two billion, thirteen million, eight hundred sixty-five thousand, six hundred four".