26946139327 has 2 divisors, whose sum is σ = 26946139328. Its totient is φ = 26946139326.

The previous prime is 26946139313. The next prime is 26946139333. The reversal of 26946139327 is 72393164962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26946139327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26946139307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473069663 + 13473069664.

It is an arithmetic number, because the mean of its divisors is an integer number (13473069664).

Almost surely, 2^26946139327 is an apocalyptic number.

26946139327 is a deficient number, since it is larger than the sum of its proper divisors (1).

26946139327 is an equidigital number, since it uses as much as digits as its factorization.

26946139327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 52.

The spelling of 26946139327 in words is "twenty-six billion, nine hundred forty-six million, one hundred thirty-nine thousand, three hundred twenty-seven".