5661315413 has 4 divisors (see below), whose sum is σ = 6096801228. Its totient is φ = 5225829600.

The previous prime is 5661315391. The next prime is 5661315419. The reversal of 5661315413 is 3145131665.

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 749828689 + 4911486724 = 27383^2 + 70082^2 .

It is a cyclic number.

It is not a de Polignac number, because 5661315413 - 2⁸ = 5661315157 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 (5661315419) 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, 217742888 + ... + 217742913.

It is an arithmetic number, because the mean of its divisors is an integer number (1524200307).

Almost surely, 2^5661315413 is an apocalyptic number.

It is an amenable number.

5661315413 is a deficient number, since it is larger than the sum of its proper divisors (435485815).

5661315413 is a wasteful number, since it uses less digits than its factorization.

5661315413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435485814.

The product of its digits is 32400, while the sum is 35.

The square root of 5661315413 is about 75241.7132513608. The cubic root of 5661315413 is about 1782.2657060226.

The spelling of 5661315413 in words is "five billion, six hundred sixty-one million, three hundred fifteen thousand, four hundred thirteen".