5605660069 has 2 divisors, whose sum is σ = 5605660070. Its totient is φ = 5605660068.

The previous prime is 5605660031. The next prime is 5605660153. The reversal of 5605660069 is 9600665065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3783480100 + 1822179969 = 61510^2 + 42687^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605660069 - 2⁹ = 5605659557 is a prime.

It is a super-2 number, since 2×5605660069² = 62846849618362169522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605660369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802830034 + 2802830035.

It is an arithmetic number, because the mean of its divisors is an integer number (2802830035).

Almost surely, 2^5605660069 is an apocalyptic number.

It is an amenable number.

5605660069 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605660069 is an equidigital number, since it uses as much as digits as its factorization.

5605660069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 5605660069 is about 74870.9561111650. The cubic root of 5605660069 is about 1776.4060874967.

The spelling of 5605660069 in words is "five billion, six hundred five million, six hundred sixty thousand, sixty-nine".