4631689942 has 16 divisors (see below), whose sum is σ = 7586115264. Its totient is φ = 2103373000.

The previous prime is 4631689939. The next prime is 4631689969. The reversal of 4631689942 is 2499861364.

It is a self number, because there is not a number n which added to its sum of digits gives 4631689942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72484 + ... + 120487.

It is an arithmetic number, because the mean of its divisors is an integer number (474132204).

Almost surely, 2^4631689942 is an apocalyptic number.

4631689942 is a deficient number, since it is larger than the sum of its proper divisors (2954425322).

4631689942 is a wasteful number, since it uses less digits than its factorization.

4631689942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194075.

The product of its digits is 2239488, while the sum is 52.

The square root of 4631689942 is about 68056.5202019615. The cubic root of 4631689942 is about 1666.9138674844.

The spelling of 4631689942 in words is "four billion, six hundred thirty-one million, six hundred eighty-nine thousand, nine hundred forty-two".