12573798997 has 2 divisors, whose sum is σ = 12573798998. Its totient is φ = 12573798996.

The previous prime is 12573798971. The next prime is 12573799003. The reversal of 12573798997 is 79989737521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7611864516 + 4961934481 = 87246^2 + 70441^2 .

It is a cyclic number.

It is not a de Polignac number, because 12573798997 - 2²⁷ = 12439581269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12573798197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286899498 + 6286899499.

It is an arithmetic number, because the mean of its divisors is an integer number (6286899499).

Almost surely, 2^12573798997 is an apocalyptic number.

It is an amenable number.

12573798997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12573798997 is an equidigital number, since it uses as much as digits as its factorization.

12573798997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60011280, while the sum is 67.

The spelling of 12573798997 in words is "twelve billion, five hundred seventy-three million, seven hundred ninety-eight thousand, nine hundred ninety-seven".