13372001609 has 2 divisors, whose sum is σ = 13372001610. Its totient is φ = 13372001608.

The previous prime is 13372001569. The next prime is 13372001623. The reversal of 13372001609 is 90610027331.

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., 12377230009 + 994771600 = 111253^2 + 31540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13372001609 is a prime.

It is not a weakly prime, because it can be changed into another prime (13372001309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6686000804 + 6686000805.

It is an arithmetic number, because the mean of its divisors is an integer number (6686000805).

Almost surely, 2^13372001609 is an apocalyptic number.

It is an amenable number.

13372001609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13372001609 is an equidigital number, since it uses as much as digits as its factorization.

13372001609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 13372001609 in words is "thirteen billion, three hundred seventy-two million, one thousand, six hundred nine".