13254492161 has 2 divisors, whose sum is σ = 13254492162. Its totient is φ = 13254492160.

The previous prime is 13254492157. The next prime is 13254492179. The reversal of 13254492161 is 16129445231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12968882161 + 285610000 = 113881^2 + 16900^2 .

It is an emirp because it is prime and its reverse (16129445231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13254492161 - 2² = 13254492157 is a prime.

It is not a weakly prime, because it can be changed into another prime (13254492151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627246080 + 6627246081.

It is an arithmetic number, because the mean of its divisors is an integer number (6627246081).

Almost surely, 2^13254492161 is an apocalyptic number.

It is an amenable number.

13254492161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13254492161 is an equidigital number, since it uses as much as digits as its factorization.

13254492161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The spelling of 13254492161 in words is "thirteen billion, two hundred fifty-four million, four hundred ninety-two thousand, one hundred sixty-one".