2589623493 has 4 divisors (see below), whose sum is σ = 3452831328. Its totient is φ = 1726415660.

The previous prime is 2589623461. The next prime is 2589623497. The reversal of 2589623493 is 3943269852.

It is a happy number.

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 2589623493 - 2⁵ = 2589623461 is a prime.

It is a super-2 number, since 2×2589623493² = 13412299670995042098, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589623497) 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, 431603913 + ... + 431603918.

It is an arithmetic number, because the mean of its divisors is an integer number (863207832).

Almost surely, 2^2589623493 is an apocalyptic number.

It is an amenable number.

2589623493 is a deficient number, since it is larger than the sum of its proper divisors (863207835).

2589623493 is an equidigital number, since it uses as much as digits as its factorization.

2589623493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863207834.

The product of its digits is 2799360, while the sum is 51.

The square root of 2589623493 is about 50888.3433902107. The cubic root of 2589623493 is about 1373.2371445746.

The spelling of 2589623493 in words is "two billion, five hundred eighty-nine million, six hundred twenty-three thousand, four hundred ninety-three".