3691963992 has 32 divisors (see below), whose sum is σ = 9231436800. Its totient is φ = 1230451104.

The previous prime is 3691963909. The next prime is 3691963993. The reversal of 3691963992 is 2993691963.

3691963992 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3691963993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229509 + ... + 245067.

It is an arithmetic number, because the mean of its divisors is an integer number (288482400).

Almost surely, 2^3691963992 is an apocalyptic number.

It is an amenable number.

3691963992 is an abundant number, since it is smaller than the sum of its proper divisors (5539472808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3691963992 is a wasteful number, since it uses less digits than its factorization.

3691963992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25455 (or 25451 counting only the distinct ones).

The product of its digits is 4251528, while the sum is 57.

The square root of 3691963992 is about 60761.5338186916. The cubic root of 3691963992 is about 1545.5598201697.

The spelling of 3691963992 in words is "three billion, six hundred ninety-one million, nine hundred sixty-three thousand, nine hundred ninety-two".