27358231939 has 2 divisors, whose sum is σ = 27358231940. Its totient is φ = 27358231938.

The previous prime is 27358231933. The next prime is 27358232023. The reversal of 27358231939 is 93913285372.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27358231939 is a prime.

It is not a weakly prime, because it can be changed into another prime (27358231933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13679115969 + 13679115970.

It is an arithmetic number, because the mean of its divisors is an integer number (13679115970).

Almost surely, 2^27358231939 is an apocalyptic number.

27358231939 is a deficient number, since it is larger than the sum of its proper divisors (1).

27358231939 is an equidigital number, since it uses as much as digits as its factorization.

27358231939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The spelling of 27358231939 in words is "twenty-seven billion, three hundred fifty-eight million, two hundred thirty-one thousand, nine hundred thirty-nine".