2589993291 has 4 divisors (see below), whose sum is σ = 3453324392.
Its totient is φ = 1726662192.
The previous prime is 2589993281. The next prime is 2589993311. The reversal of 2589993291 is 1923999852.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2589993291 - 222 = 2585798987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2589993221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431665546 + ... + 431665551.
It is an arithmetic number, because the mean of its divisors is an integer number (863331098).
Almost surely, 22589993291 is an apocalyptic number.
2589993291 is a deficient number, since it is larger than the sum of its proper divisors (863331101).
2589993291 is an equidigital number, since it uses as much as digits as its factorization.
2589993291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 863331100.
The product of its digits is 3149280, while the sum is 57.
The square root of 2589993291 is about 50891.9766859178.
The cubic root of 2589993291 is about 1373.3025075100.
The spelling of 2589993291 in words is "two billion, five hundred eighty-nine million, nine hundred ninety-three thousand, two hundred ninety-one".