13252261347389 has 2 divisors, whose sum is σ = 13252261347390. Its totient is φ = 13252261347388.

The previous prime is 13252261347371. The next prime is 13252261347503. The reversal of 13252261347389 is 98374316225231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13094866654489 + 157394692900 = 3618683^2 + 396730^2 .

It is a cyclic number.

It is not a de Polignac number, because 13252261347389 - 2⁸ = 13252261347133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13252261347359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6626130673694 + 6626130673695.

It is an arithmetic number, because the mean of its divisors is an integer number (6626130673695).

Almost surely, 2^{13252261347389} is an apocalyptic number.

It is an amenable number.

13252261347389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13252261347389 is an equidigital number, since it uses as much as digits as its factorization.

13252261347389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 56.

The spelling of 13252261347389 in words is "thirteen trillion, two hundred fifty-two billion, two hundred sixty-one million, three hundred forty-seven thousand, three hundred eighty-nine".