13119692609 has 2 divisors, whose sum is σ = 13119692610. Its totient is φ = 13119692608.

The previous prime is 13119692567. The next prime is 13119692617. The reversal of 13119692609 is 90629691131.

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., 12973210000 + 146482609 = 113900^2 + 12103^2 .

It is a cyclic number.

It is not a de Polignac number, because 13119692609 - 2¹² = 13119688513 is a prime.

It is not a weakly prime, because it can be changed into another prime (13119692629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6559846304 + 6559846305.

It is an arithmetic number, because the mean of its divisors is an integer number (6559846305).

Almost surely, 2^13119692609 is an apocalyptic number.

It is an amenable number.

13119692609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13119692609 is an equidigital number, since it uses as much as digits as its factorization.

13119692609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 13119692609 in words is "thirteen billion, one hundred nineteen million, six hundred ninety-two thousand, six hundred nine".