13974426827 has 2 divisors, whose sum is σ = 13974426828. Its totient is φ = 13974426826.

The previous prime is 13974426811. The next prime is 13974426847. The reversal of 13974426827 is 72862447931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13974426827 - 2⁴ = 13974426811 is a prime.

It is not a weakly prime, because it can be changed into another prime (13974426847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987213413 + 6987213414.

It is an arithmetic number, because the mean of its divisors is an integer number (6987213414).

Almost surely, 2^13974426827 is an apocalyptic number.

13974426827 is a deficient number, since it is larger than the sum of its proper divisors (1).

13974426827 is an equidigital number, since it uses as much as digits as its factorization.

13974426827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 53.

The spelling of 13974426827 in words is "thirteen billion, nine hundred seventy-four million, four hundred twenty-six thousand, eight hundred twenty-seven".