27492037636397 has 2 divisors, whose sum is σ = 27492037636398. Its totient is φ = 27492037636396.

The previous prime is 27492037636369. The next prime is 27492037636421. The reversal of 27492037636397 is 79363673029472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23283606945481 + 4208430690916 = 4825309^2 + 2051446^2 .

It is a cyclic number.

It is not a de Polignac number, because 27492037636397 - 2¹⁴ = 27492037620013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27492037636337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13746018818198 + 13746018818199.

It is an arithmetic number, because the mean of its divisors is an integer number (13746018818199).

Almost surely, 2^{27492037636397} is an apocalyptic number.

It is an amenable number.

27492037636397 is a deficient number, since it is larger than the sum of its proper divisors (1).

27492037636397 is an equidigital number, since it uses as much as digits as its factorization.

27492037636397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432081216, while the sum is 68.

The spelling of 27492037636397 in words is "twenty-seven trillion, four hundred ninety-two billion, thirty-seven million, six hundred thirty-six thousand, three hundred ninety-seven".