13254229997 has 2 divisors, whose sum is σ = 13254229998. Its totient is φ = 13254229996.

The previous prime is 13254229991. The next prime is 13254230009. The reversal of 13254229997 is 79992245231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8154270601 + 5099959396 = 90301^2 + 71414^2 .

It is a cyclic number.

It is not a de Polignac number, because 13254229997 - 2²⁰ = 13253181421 is a prime.

It is a super-2 number, since 2×13254229997² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13254229991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627114998 + 6627114999.

It is an arithmetic number, because the mean of its divisors is an integer number (6627114999).

Almost surely, 2^13254229997 is an apocalyptic number.

It is an amenable number.

13254229997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13254229997 is an equidigital number, since it uses as much as digits as its factorization.

13254229997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The spelling of 13254229997 in words is "thirteen billion, two hundred fifty-four million, two hundred twenty-nine thousand, nine hundred ninety-seven".