5631447288277 has 2 divisors, whose sum is σ = 5631447288278. Its totient is φ = 5631447288276.

The previous prime is 5631447288239. The next prime is 5631447288293. The reversal of 5631447288277 is 7728827441365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5287911806116 + 343535482161 = 2299546^2 + 586119^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631447288277 - 2⁷ = 5631447288149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631447288227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815723644138 + 2815723644139.

It is an arithmetic number, because the mean of its divisors is an integer number (2815723644139).

Almost surely, 2^{5631447288277} is an apocalyptic number.

It is an amenable number.

5631447288277 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631447288277 is an equidigital number, since it uses as much as digits as its factorization.

5631447288277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126443520, while the sum is 64.

The spelling of 5631447288277 in words is "five trillion, six hundred thirty-one billion, four hundred forty-seven million, two hundred eighty-eight thousand, two hundred seventy-seven".