3899994703313 has 4 divisors (see below), whose sum is σ = 3904011176688. Its totient is φ = 3895978229940.

The previous prime is 3899994703309. The next prime is 3899994703379. The reversal of 3899994703313 is 3133074999983.

It is a happy number.

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 3899994703313 - 2² = 3899994703309 is a prime.

It is a super-4 number, since 4×3899994703313⁴ (a number of 51 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3899994703393) 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, 2008235231 + ... + 2008237172.

It is an arithmetic number, because the mean of its divisors is an integer number (976002794172).

Almost surely, 2^{3899994703313} is an apocalyptic number.

It is an amenable number.

3899994703313 is a deficient number, since it is larger than the sum of its proper divisors (4016473375).

3899994703313 is an equidigital number, since it uses as much as digits as its factorization.

3899994703313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016473374.

The product of its (nonzero) digits is 119042784, while the sum is 68.

The spelling of 3899994703313 in words is "three trillion, eight hundred ninety-nine billion, nine hundred ninety-four million, seven hundred three thousand, three hundred thirteen".