13325529989 has 2 divisors, whose sum is σ = 13325529990. Its totient is φ = 13325529988.

The previous prime is 13325529979. The next prime is 13325530037. The reversal of 13325529989 is 98992552331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7844644900 + 5480885089 = 88570^2 + 74033^2 .

It is an emirp because it is prime and its reverse (98992552331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13325529989 - 2²⁴ = 13308752773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13325529979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6662764994 + 6662764995.

It is an arithmetic number, because the mean of its divisors is an integer number (6662764995).

Almost surely, 2^13325529989 is an apocalyptic number.

It is an amenable number.

13325529989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13325529989 is an equidigital number, since it uses as much as digits as its factorization.

13325529989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5248800, while the sum is 56.

The spelling of 13325529989 in words is "thirteen billion, three hundred twenty-five million, five hundred twenty-nine thousand, nine hundred eighty-nine".