5631905269 has 2 divisors, whose sum is σ = 5631905270. Its totient is φ = 5631905268.

The previous prime is 5631905243. The next prime is 5631905347. The reversal of 5631905269 is 9625091365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5570831044 + 61074225 = 74638^2 + 7815^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631905269 - 2²¹ = 5629808117 is a prime.

It is a super-2 number, since 2×5631905269² = 63436713917979924722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631905969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815952634 + 2815952635.

It is an arithmetic number, because the mean of its divisors is an integer number (2815952635).

Almost surely, 2^5631905269 is an apocalyptic number.

It is an amenable number.

5631905269 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631905269 is an equidigital number, since it uses as much as digits as its factorization.

5631905269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 5631905269 is about 75046.0210071127. The cubic root of 5631905269 is about 1779.1740970275.

The spelling of 5631905269 in words is "five billion, six hundred thirty-one million, nine hundred five thousand, two hundred sixty-nine".