13209763597 has 2 divisors, whose sum is σ = 13209763598. Its totient is φ = 13209763596.

The previous prime is 13209763583. The next prime is 13209763621. The reversal of 13209763597 is 79536790231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8659046916 + 4550716681 = 93054^2 + 67459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13209763597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13209763507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604881798 + 6604881799.

It is an arithmetic number, because the mean of its divisors is an integer number (6604881799).

Almost surely, 2^13209763597 is an apocalyptic number.

It is an amenable number.

13209763597 is a deficient number, since it is larger than the sum of its proper divisors (1).

13209763597 is an equidigital number, since it uses as much as digits as its factorization.

13209763597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 13209763597 in words is "thirteen billion, two hundred nine million, seven hundred sixty-three thousand, five hundred ninety-seven".