5657681413 has 4 divisors (see below), whose sum is σ = 5990486220. Its totient is φ = 5324876608.

The previous prime is 5657681411. The next prime is 5657681429. The reversal of 5657681413 is 3141867565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3141867565 = 5 ⋅628373513.

It can be written as a sum of positive squares in 2 ways, for example, as 5297365089 + 360316324 = 72783^2 + 18982^2 .

It is a cyclic number.

It is not a de Polignac number, because 5657681413 - 2¹ = 5657681411 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 (5657681411) 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, 166402378 + ... + 166402411.

It is an arithmetic number, because the mean of its divisors is an integer number (1497621555).

Almost surely, 2^5657681413 is an apocalyptic number.

It is an amenable number.

5657681413 is a deficient number, since it is larger than the sum of its proper divisors (332804807).

5657681413 is a wasteful number, since it uses less digits than its factorization.

5657681413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332804806.

The product of its digits is 604800, while the sum is 46.

The square root of 5657681413 is about 75217.5605360876. The cubic root of 5657681413 is about 1781.8842787743.

The spelling of 5657681413 in words is "five billion, six hundred fifty-seven million, six hundred eighty-one thousand, four hundred thirteen".