13254554681 has 2 divisors, whose sum is σ = 13254554682. Its totient is φ = 13254554680.

The previous prime is 13254554669. The next prime is 13254554683. The reversal of 13254554681 is 18645545231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11005898281 + 2248656400 = 104909^2 + 47420^2 .

It is a cyclic number.

It is not a de Polignac number, because 13254554681 - 2⁶ = 13254554617 is a prime.

It is a super-2 number, since 2×13254554681² (a number of 21 digits) contains 22 as substring.

Together with 13254554683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13254554683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627277340 + 6627277341.

It is an arithmetic number, because the mean of its divisors is an integer number (6627277341).

Almost surely, 2^13254554681 is an apocalyptic number.

It is an amenable number.

13254554681 is a deficient number, since it is larger than the sum of its proper divisors (1).

13254554681 is an equidigital number, since it uses as much as digits as its factorization.

13254554681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 44.

The spelling of 13254554681 in words is "thirteen billion, two hundred fifty-four million, five hundred fifty-four thousand, six hundred eighty-one".