27411431609 has 2 divisors, whose sum is σ = 27411431610. Its totient is φ = 27411431608.

The previous prime is 27411431569. The next prime is 27411431627. The reversal of 27411431609 is 90613411472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24070591609 + 3340840000 = 155147^2 + 57800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27411431609 is a prime.

It is not a weakly prime, because it can be changed into another prime (27411431629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13705715804 + 13705715805.

It is an arithmetic number, because the mean of its divisors is an integer number (13705715805).

Almost surely, 2^27411431609 is an apocalyptic number.

It is an amenable number.

27411431609 is a deficient number, since it is larger than the sum of its proper divisors (1).

27411431609 is an equidigital number, since it uses as much as digits as its factorization.

27411431609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 27411431609 in words is "twenty-seven billion, four hundred eleven million, four hundred thirty-one thousand, six hundred nine".