2613357493 has 4 divisors (see below), whose sum is σ = 2613948300. Its totient is φ = 2612766688.

The previous prime is 2613357457. The next prime is 2613357511. The reversal of 2613357493 is 3947533162.

It is a happy number.

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 836482084 + 1776875409 = 28922^2 + 42153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2613357493 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 (2613354493) 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, 288718 + ... + 297631.

It is an arithmetic number, because the mean of its divisors is an integer number (653487075).

Almost surely, 2^2613357493 is an apocalyptic number.

It is an amenable number.

2613357493 is a deficient number, since it is larger than the sum of its proper divisors (590807).

2613357493 is an equidigital number, since it uses as much as digits as its factorization.

2613357493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590806.

The product of its digits is 408240, while the sum is 43.

The square root of 2613357493 is about 51121.0083331696. The cubic root of 2613357493 is about 1377.4196501453.

The spelling of 2613357493 in words is "two billion, six hundred thirteen million, three hundred fifty-seven thousand, four hundred ninety-three".