3113725643 has 16 divisors (see below), whose sum is σ = 3760120320. Its totient is φ = 2518796736.

The previous prime is 3113725633. The next prime is 3113725691. The reversal of 3113725643 is 3465273113.

It is a cyclic number.

It is not a de Polignac number, because 3113725643 - 2¹⁴ = 3113709259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113725633) 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, 9530 + ... + 79487.

It is an arithmetic number, because the mean of its divisors is an integer number (235007520).

Almost surely, 2^3113725643 is an apocalyptic number.

3113725643 is a deficient number, since it is larger than the sum of its proper divisors (646394677).

3113725643 is a wasteful number, since it uses less digits than its factorization.

3113725643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89306.

The product of its digits is 45360, while the sum is 35.

The square root of 3113725643 is about 55800.7674051173. The cubic root of 3113725643 is about 1460.2485413805.

Adding to 3113725643 its reverse (3465273113), we get a palindrome (6578998756).

The spelling of 3113725643 in words is "three billion, one hundred thirteen million, seven hundred twenty-five thousand, six hundred forty-three".