2889960621 has 4 divisors (see below), whose sum is σ = 3853280832. Its totient is φ = 1926640412.

The previous prime is 2889960607. The next prime is 2889960643. The reversal of 2889960621 is 1260699882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2889960621 - 2⁵ = 2889960589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889960691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481660101 + ... + 481660106.

It is an arithmetic number, because the mean of its divisors is an integer number (963320208).

Almost surely, 2^2889960621 is an apocalyptic number.

It is an amenable number.

2889960621 is a deficient number, since it is larger than the sum of its proper divisors (963320211).

2889960621 is an equidigital number, since it uses as much as digits as its factorization.

2889960621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963320210.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2889960621 is about 53758.3539647560. The cubic root of 2889960621 is about 1424.3956597722.

The spelling of 2889960621 in words is "two billion, eight hundred eighty-nine million, nine hundred sixty thousand, six hundred twenty-one".