2589991423 has 4 divisors (see below), whose sum is σ = 2590606368. Its totient is φ = 2589376480.

The previous prime is 2589991399. The next prime is 2589991427. The reversal of 2589991423 is 3241999852.

2589991423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2589991423 - 2²⁵ = 2556436991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589991427) 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, 301111 + ... + 309592.

It is an arithmetic number, because the mean of its divisors is an integer number (647651592).

Almost surely, 2^2589991423 is an apocalyptic number.

2589991423 is a deficient number, since it is larger than the sum of its proper divisors (614945).

2589991423 is an equidigital number, since it uses as much as digits as its factorization.

2589991423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614944.

The product of its digits is 1399680, while the sum is 52.

The square root of 2589991423 is about 50891.9583333163. The cubic root of 2589991423 is about 1373.3021773509.

The spelling of 2589991423 in words is "two billion, five hundred eighty-nine million, nine hundred ninety-one thousand, four hundred twenty-three".