2731713537613 has 4 divisors (see below), whose sum is σ = 2735322142780. Its totient is φ = 2728104932448.

The previous prime is 2731713537599. The next prime is 2731713537629. The reversal of 2731713537613 is 3167353171372.

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 1166717541609 + 1564995996004 = 1080147^2 + 1250998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731713537613 - 2¹³ = 2731713529421 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 (2731713537913) 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, 1804301448 + ... + 1804302961.

It is an arithmetic number, because the mean of its divisors is an integer number (683830535695).

Almost surely, 2^{2731713537613} is an apocalyptic number.

It is an amenable number.

2731713537613 is a deficient number, since it is larger than the sum of its proper divisors (3608605167).

2731713537613 is an equidigital number, since it uses as much as digits as its factorization.

2731713537613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608605166.

The product of its digits is 1666980, while the sum is 49.

The spelling of 2731713537613 in words is "two trillion, seven hundred thirty-one billion, seven hundred thirteen million, five hundred thirty-seven thousand, six hundred thirteen".