27426240239 has 2 divisors, whose sum is σ = 27426240240. Its totient is φ = 27426240238.

The previous prime is 27426240187. The next prime is 27426240311. The reversal of 27426240239 is 93204262472.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27426240239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27426240196 and 27426240205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27426245239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13713120119 + 13713120120.

It is an arithmetic number, because the mean of its divisors is an integer number (13713120120).

Almost surely, 2^27426240239 is an apocalyptic number.

27426240239 is a deficient number, since it is larger than the sum of its proper divisors (1).

27426240239 is an equidigital number, since it uses as much as digits as its factorization.

27426240239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 27426240239 in words is "twenty-seven billion, four hundred twenty-six million, two hundred forty thousand, two hundred thirty-nine".