13247770297 has 2 divisors, whose sum is σ = 13247770298. Its totient is φ = 13247770296.

The previous prime is 13247770271. The next prime is 13247770301. The reversal of 13247770297 is 79207774231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7037699881 + 6210070416 = 83891^2 + 78804^2 .

It is a cyclic number.

It is not a de Polignac number, because 13247770297 - 2¹⁹ = 13247246009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13247770297.

It is not a weakly prime, because it can be changed into another prime (13247770097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623885148 + 6623885149.

It is an arithmetic number, because the mean of its divisors is an integer number (6623885149).

Almost surely, 2^13247770297 is an apocalyptic number.

It is an amenable number.

13247770297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247770297 is an equidigital number, since it uses as much as digits as its factorization.

13247770297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1037232, while the sum is 49.

The spelling of 13247770297 in words is "thirteen billion, two hundred forty-seven million, seven hundred seventy thousand, two hundred ninety-seven".