5590569661 has 2 divisors, whose sum is σ = 5590569662. Its totient is φ = 5590569660.

The previous prime is 5590569653. The next prime is 5590569679. The reversal of 5590569661 is 1669650955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3148332100 + 2442237561 = 56110^2 + 49419^2 .

It is a cyclic number.

It is not a de Polignac number, because 5590569661 - 2³ = 5590569653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5590569599 and 5590569608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5590569631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2795284830 + 2795284831.

It is an arithmetic number, because the mean of its divisors is an integer number (2795284831).

Almost surely, 2^5590569661 is an apocalyptic number.

It is an amenable number.

5590569661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5590569661 is an equidigital number, since it uses as much as digits as its factorization.

5590569661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187000, while the sum is 52.

The square root of 5590569661 is about 74770.1120836394. The cubic root of 5590569661 is about 1774.8106296419.

The spelling of 5590569661 in words is "five billion, five hundred ninety million, five hundred sixty-nine thousand, six hundred sixty-one".