27712702469 has 2 divisors, whose sum is σ = 27712702470. Its totient is φ = 27712702468.

The previous prime is 27712702429. The next prime is 27712702489. The reversal of 27712702469 is 96420721772.

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., 16121380900 + 11591321569 = 126970^2 + 107663^2 .

It is a cyclic number.

It is not a de Polignac number, because 27712702469 - 2²⁸ = 27444267013 is a prime.

It is a super-2 number, since 2×27712702469² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27712702429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856351234 + 13856351235.

It is an arithmetic number, because the mean of its divisors is an integer number (13856351235).

Almost surely, 2^27712702469 is an apocalyptic number.

It is an amenable number.

27712702469 is a deficient number, since it is larger than the sum of its proper divisors (1).

27712702469 is an equidigital number, since it uses as much as digits as its factorization.

27712702469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 27712702469 in words is "twenty-seven billion, seven hundred twelve million, seven hundred two thousand, four hundred sixty-nine".