5561070637 has 2 divisors, whose sum is σ = 5561070638. Its totient is φ = 5561070636.

The previous prime is 5561070611. The next prime is 5561070667. The reversal of 5561070637 is 7360701655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5504007721 + 57062916 = 74189^2 + 7554^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561070637 - 2¹⁵ = 5561037869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5561070637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5561070667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780535318 + 2780535319.

It is an arithmetic number, because the mean of its divisors is an integer number (2780535319).

Almost surely, 2^5561070637 is an apocalyptic number.

It is an amenable number.

5561070637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561070637 is an equidigital number, since it uses as much as digits as its factorization.

5561070637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 5561070637 is about 74572.5863638911. The cubic root of 5561070637 is about 1771.6834863352.

The spelling of 5561070637 in words is "five billion, five hundred sixty-one million, seventy thousand, six hundred thirty-seven".