5661022613 has 4 divisors (see below), whose sum is σ = 5694921120. Its totient is φ = 5627124108.

The previous prime is 5661022597. The next prime is 5661022639. The reversal of 5661022613 is 3162201665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5661022613 - 2⁴ = 5661022597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5661022613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661022673) 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, 16949003 + ... + 16949336.

It is an arithmetic number, because the mean of its divisors is an integer number (1423730280).

Almost surely, 2^5661022613 is an apocalyptic number.

It is an amenable number.

5661022613 is a deficient number, since it is larger than the sum of its proper divisors (33898507).

5661022613 is a wasteful number, since it uses less digits than its factorization.

5661022613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33898506.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 5661022613 is about 75239.7674969826. The cubic root of 5661022613 is about 1782.2349795714.

The spelling of 5661022613 in words is "five billion, six hundred sixty-one million, twenty-two thousand, six hundred thirteen".