2589401739 has 4 divisors (see below), whose sum is σ = 3452535656. Its totient is φ = 1726267824.

The previous prime is 2589401693. The next prime is 2589401753. The reversal of 2589401739 is 9371049852.

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

It is not a de Polignac number, because 2589401739 - 2⁷ = 2589401611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2589401779) 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, 431566954 + ... + 431566959.

It is an arithmetic number, because the mean of its divisors is an integer number (863133914).

Almost surely, 2^2589401739 is an apocalyptic number.

2589401739 is a deficient number, since it is larger than the sum of its proper divisors (863133917).

2589401739 is an equidigital number, since it uses as much as digits as its factorization.

2589401739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863133916.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 2589401739 is about 50886.1645145318. The cubic root of 2589401739 is about 1373.1979458876.

The spelling of 2589401739 in words is "two billion, five hundred eighty-nine million, four hundred one thousand, seven hundred thirty-nine".