1919338985339 has 2 divisors, whose sum is σ = 1919338985340. Its totient is φ = 1919338985338.

The previous prime is 1919338985281. The next prime is 1919338985363. The reversal of 1919338985339 is 9335898339191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1919338985339 - 2¹⁶ = 1919338919803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1919338985639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959669492669 + 959669492670.

It is an arithmetic number, because the mean of its divisors is an integer number (959669492670).

Almost surely, 2^{1919338985339} is an apocalyptic number.

1919338985339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1919338985339 is an equidigital number, since it uses as much as digits as its factorization.

1919338985339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170061120, while the sum is 71.

The spelling of 1919338985339 in words is "one trillion, nine hundred nineteen billion, three hundred thirty-eight million, nine hundred eighty-five thousand, three hundred thirty-nine".