13419007309 has 2 divisors, whose sum is σ = 13419007310. Its totient is φ = 13419007308.

The previous prime is 13419007247. The next prime is 13419007333. The reversal of 13419007309 is 90370091431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8223769225 + 5195238084 = 90685^2 + 72078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13419007309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13419007009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6709503654 + 6709503655.

It is an arithmetic number, because the mean of its divisors is an integer number (6709503655).

Almost surely, 2^13419007309 is an apocalyptic number.

It is an amenable number.

13419007309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13419007309 is an equidigital number, since it uses as much as digits as its factorization.

13419007309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 13419007309 in words is "thirteen billion, four hundred nineteen million, seven thousand, three hundred nine".