13926657427 has 2 divisors, whose sum is σ = 13926657428. Its totient is φ = 13926657426.

The previous prime is 13926657421. The next prime is 13926657461. The reversal of 13926657427 is 72475662931.

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-13926657427 is a prime.

It is not a weakly prime, because it can be changed into another prime (13926657421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6963328713 + 6963328714.

It is an arithmetic number, because the mean of its divisors is an integer number (6963328714).

Almost surely, 2^13926657427 is an apocalyptic number.

13926657427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13926657427 is an equidigital number, since it uses as much as digits as its factorization.

13926657427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 52.

The spelling of 13926657427 in words is "thirteen billion, nine hundred twenty-six million, six hundred fifty-seven thousand, four hundred twenty-seven".