13813406233387 has 2 divisors, whose sum is σ = 13813406233388. Its totient is φ = 13813406233386.

The previous prime is 13813406233381. The next prime is 13813406233397. The reversal of 13813406233387 is 78333260431831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13813406233387 - 2¹⁵ = 13813406200619 is a prime.

It is not a weakly prime, because it can be changed into another prime (13813406233381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906703116693 + 6906703116694.

It is an arithmetic number, because the mean of its divisors is an integer number (6906703116694).

Almost surely, 2^{13813406233387} is an apocalyptic number.

13813406233387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13813406233387 is an equidigital number, since it uses as much as digits as its factorization.

13813406233387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 13813406233387 in words is "thirteen trillion, eight hundred thirteen billion, four hundred six million, two hundred thirty-three thousand, three hundred eighty-seven".