2592421309 has 4 divisors (see below), whose sum is σ = 2592582300. Its totient is φ = 2592260320.

The previous prime is 2592421301. The next prime is 2592421369. The reversal of 2592421309 is 9031242952.

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

It can be written as a sum of positive squares in 2 ways, for example, as 386240409 + 2206180900 = 19653^2 + 46970^2 .

It is a cyclic number.

It is not a de Polignac number, because 2592421309 - 2³ = 2592421301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2592421301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53272 + ... + 89569.

It is an arithmetic number, because the mean of its divisors is an integer number (648145575).

Almost surely, 2^2592421309 is an apocalyptic number.

It is an amenable number.

2592421309 is a deficient number, since it is larger than the sum of its proper divisors (160991).

2592421309 is a wasteful number, since it uses less digits than its factorization.

2592421309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160990.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2592421309 is about 50915.8257224608. The cubic root of 2592421309 is about 1373.7315127129.

The spelling of 2592421309 in words is "two billion, five hundred ninety-two million, four hundred twenty-one thousand, three hundred nine".