2989220664 has 32 divisors (see below), whose sum is σ = 7479613440. Its totient is φ = 995532000.

The previous prime is 2989220659. The next prime is 2989220669. The reversal of 2989220664 is 4660229892.

It is a happy number.

2989220664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2989220659) and next prime (2989220669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989220669) 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, 26482 + ... + 81729.

It is an arithmetic number, because the mean of its divisors is an integer number (233737920).

Almost surely, 2^2989220664 is an apocalyptic number.

2989220664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2989220664 is an abundant number, since it is smaller than the sum of its proper divisors (4490392776).

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

2989220664 is a wasteful number, since it uses less digits than its factorization.

2989220664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109371 (or 109367 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 2989220664 is about 54673.7657748211. The cubic root of 2989220664 is about 1440.5201091886.

The spelling of 2989220664 in words is "two billion, nine hundred eighty-nine million, two hundred twenty thousand, six hundred sixty-four".