3911869628 has 12 divisors (see below), whose sum is σ = 6846254520. Its totient is φ = 1955796912.

The previous prime is 3911869613. The next prime is 3911869657. The reversal of 3911869628 is 8269681193.

3911869628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3911869628.

It is a congruent number.

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, 55358 + ... + 104346.

It is an arithmetic number, because the mean of its divisors is an integer number (570521210).

Almost surely, 2^3911869628 is an apocalyptic number.

It is an amenable number.

3911869628 is a deficient number, since it is larger than the sum of its proper divisors (2934384892).

3911869628 is a wasteful number, since it uses less digits than its factorization.

3911869628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68956 (or 68954 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 3911869628 is about 62544.9408665481. The cubic root of 3911869628 is about 1575.6561811716.

The spelling of 3911869628 in words is "three billion, nine hundred eleven million, eight hundred sixty-nine thousand, six hundred twenty-eight".