13026045997 has 2 divisors, whose sum is σ = 13026045998. Its totient is φ = 13026045996.

The previous prime is 13026045953. The next prime is 13026046037. The reversal of 13026045997 is 79954062031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12686417956 + 339628041 = 112634^2 + 18429^2 .

It is an emirp because it is prime and its reverse (79954062031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13026045997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13026045497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6513022998 + 6513022999.

It is an arithmetic number, because the mean of its divisors is an integer number (6513022999).

Almost surely, 2^13026045997 is an apocalyptic number.

It is an amenable number.

13026045997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13026045997 is an equidigital number, since it uses as much as digits as its factorization.

13026045997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 13026045997 in words is "thirteen billion, twenty-six million, forty-five thousand, nine hundred ninety-seven".