13319426409019 has 2 divisors, whose sum is σ = 13319426409020. Its totient is φ = 13319426409018.

The previous prime is 13319426408999. The next prime is 13319426409067. The reversal of 13319426409019 is 91090462491331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13319426409019 - 2⁵ = 13319426408987 is a prime.

It is a super-2 number, since 2×13319426409019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13319426401019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659713204509 + 6659713204510.

It is an arithmetic number, because the mean of its divisors is an integer number (6659713204510).

Almost surely, 2^{13319426409019} is an apocalyptic number.

13319426409019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13319426409019 is an equidigital number, since it uses as much as digits as its factorization.

13319426409019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 13319426409019 in words is "thirteen trillion, three hundred nineteen billion, four hundred twenty-six million, four hundred nine thousand, nineteen".