5669261861 has 2 divisors, whose sum is σ = 5669261862. Its totient is φ = 5669261860.

The previous prime is 5669261837. The next prime is 5669261953. The reversal of 5669261861 is 1681629665.

It is a happy number.

5669261861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3596280961 + 2072980900 = 59969^2 + 45530^2 .

It is a cyclic number.

It is not a de Polignac number, because 5669261861 - 2²² = 5665067557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5669261161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834630930 + 2834630931.

It is an arithmetic number, because the mean of its divisors is an integer number (2834630931).

Almost surely, 2^5669261861 is an apocalyptic number.

It is an amenable number.

5669261861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5669261861 is an equidigital number, since it uses as much as digits as its factorization.

5669261861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 5669261861 is about 75294.5008682573. The cubic root of 5669261861 is about 1783.0992025660.

The spelling of 5669261861 in words is "five billion, six hundred sixty-nine million, two hundred sixty-one thousand, eight hundred sixty-one".