27123996591337 has 2 divisors, whose sum is σ = 27123996591338. Its totient is φ = 27123996591336.

The previous prime is 27123996591331. The next prime is 27123996591347. The reversal of 27123996591337 is 73319569932172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22064965496896 + 5059031094441 = 4697336^2 + 2249229^2 .

It is a cyclic number.

It is not a de Polignac number, because 27123996591337 - 2²⁷ = 27123862373609 is a prime.

It is a super-2 number, since 2×27123996591337² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27123996591331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13561998295668 + 13561998295669.

It is an arithmetic number, because the mean of its divisors is an integer number (13561998295669).

Almost surely, 2^{27123996591337} is an apocalyptic number.

It is an amenable number.

27123996591337 is a deficient number, since it is larger than the sum of its proper divisors (1).

27123996591337 is an equidigital number, since it uses as much as digits as its factorization.

27123996591337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115736040, while the sum is 67.

The spelling of 27123996591337 in words is "twenty-seven trillion, one hundred twenty-three billion, nine hundred ninety-six million, five hundred ninety-one thousand, three hundred thirty-seven".