27120732690239 has 2 divisors, whose sum is σ = 27120732690240. Its totient is φ = 27120732690238.

The previous prime is 27120732690229. The next prime is 27120732690269. The reversal of 27120732690239 is 93209623702172.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27120732690239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27120732690209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13560366345119 + 13560366345120.

It is an arithmetic number, because the mean of its divisors is an integer number (13560366345120).

Almost surely, 2^{27120732690239} is an apocalyptic number.

27120732690239 is a deficient number, since it is larger than the sum of its proper divisors (1).

27120732690239 is an equidigital number, since it uses as much as digits as its factorization.

27120732690239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 27120732690239 in words is "twenty-seven trillion, one hundred twenty billion, seven hundred thirty-two million, six hundred ninety thousand, two hundred thirty-nine".