13626471427 has 2 divisors, whose sum is σ = 13626471428. Its totient is φ = 13626471426.

The previous prime is 13626471421. The next prime is 13626471449. The reversal of 13626471427 is 72417462631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13626471427 - 2¹¹ = 13626469379 is a prime.

It is not a weakly prime, because it can be changed into another prime (13626471421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6813235713 + 6813235714.

It is an arithmetic number, because the mean of its divisors is an integer number (6813235714).

Almost surely, 2^13626471427 is an apocalyptic number.

13626471427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13626471427 is an equidigital number, since it uses as much as digits as its factorization.

13626471427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The spelling of 13626471427 in words is "thirteen billion, six hundred twenty-six million, four hundred seventy-one thousand, four hundred twenty-seven".