4689507990 has 32 divisors (see below), whose sum is σ = 11847179520. Its totient is φ = 1184717664.

The previous prime is 4689507947. The next prime is 4689508003. The reversal of 4689507990 is 997059864.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4689507990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4113034 + ... + 4114173.

It is an arithmetic number, because the mean of its divisors is an integer number (370224360).

Almost surely, 2^4689507990 is an apocalyptic number.

4689507990 is an abundant number, since it is smaller than the sum of its proper divisors (7157671530).

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

4689507990 is a wasteful number, since it uses less digits than its factorization.

4689507990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227236.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 4689507990 is about 68479.9824036192. The cubic root of 4689507990 is about 1673.8213125875.

The spelling of 4689507990 in words is "four billion, six hundred eighty-nine million, five hundred seven thousand, nine hundred ninety".