27431352713 has 2 divisors, whose sum is σ = 27431352714. Its totient is φ = 27431352712.

The previous prime is 27431352701. The next prime is 27431352719. The reversal of 27431352713 is 31725313472.

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., 25870470649 + 1560882064 = 160843^2 + 39508^2 .

It is a cyclic number.

It is not a de Polignac number, because 27431352713 - 2⁶ = 27431352649 is a prime.

It is a super-2 number, since 2×27431352713² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27431352719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13715676356 + 13715676357.

It is an arithmetic number, because the mean of its divisors is an integer number (13715676357).

Almost surely, 2^27431352713 is an apocalyptic number.

It is an amenable number.

27431352713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27431352713 is an equidigital number, since it uses as much as digits as its factorization.

27431352713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The spelling of 27431352713 in words is "twenty-seven billion, four hundred thirty-one million, three hundred fifty-two thousand, seven hundred thirteen".