2591934013 has 4 divisors (see below), whose sum is σ = 2617596828. Its totient is φ = 2566271200.

The previous prime is 2591933969. The next prime is 2591934017. The reversal of 2591934013 is 3104391952.

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 2141560729 + 450373284 = 46277^2 + 21222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2591934013 - 2⁹ = 2591933501 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 (2591934017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12831256 + ... + 12831457.

It is an arithmetic number, because the mean of its divisors is an integer number (654399207).

Almost surely, 2^2591934013 is an apocalyptic number.

It is an amenable number.

2591934013 is a deficient number, since it is larger than the sum of its proper divisors (25662815).

2591934013 is a wasteful number, since it uses less digits than its factorization.

2591934013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25662814.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2591934013 is about 50911.0401877628. The cubic root of 2591934013 is about 1373.6454341350.

The spelling of 2591934013 in words is "two billion, five hundred ninety-one million, nine hundred thirty-four thousand, thirteen".