13669965427 has 2 divisors, whose sum is σ = 13669965428. Its totient is φ = 13669965426.

The previous prime is 13669965409. The next prime is 13669965461. The reversal of 13669965427 is 72456996631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13669965427 - 2⁷ = 13669965299 is a prime.

It is not a weakly prime, because it can be changed into another prime (13669960427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834982713 + 6834982714.

It is an arithmetic number, because the mean of its divisors is an integer number (6834982714).

Almost surely, 2^13669965427 is an apocalyptic number.

13669965427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13669965427 is an equidigital number, since it uses as much as digits as its factorization.

13669965427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 58.

The spelling of 13669965427 in words is "thirteen billion, six hundred sixty-nine million, nine hundred sixty-five thousand, four hundred twenty-seven".