27230247739 has 2 divisors, whose sum is σ = 27230247740. Its totient is φ = 27230247738.

The previous prime is 27230247721. The next prime is 27230247763. The reversal of 27230247739 is 93774203272.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27230247739 is a prime.

It is a super-2 number, since 2×27230247739² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27230244739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13615123869 + 13615123870.

It is an arithmetic number, because the mean of its divisors is an integer number (13615123870).

Almost surely, 2^27230247739 is an apocalyptic number.

27230247739 is a deficient number, since it is larger than the sum of its proper divisors (1).

27230247739 is an equidigital number, since it uses as much as digits as its factorization.

27230247739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 27230247739 in words is "twenty-seven billion, two hundred thirty million, two hundred forty-seven thousand, seven hundred thirty-nine".