1219734405119 has 2 divisors, whose sum is σ = 1219734405120. Its totient is φ = 1219734405118.

The previous prime is 1219734405079. The next prime is 1219734405163. The reversal of 1219734405119 is 9115044379121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1219734405119 is a prime.

It is a super-2 number, since 2×1219734405119² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1219734405419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609867202559 + 609867202560.

It is an arithmetic number, because the mean of its divisors is an integer number (609867202560).

Almost surely, 2^{1219734405119} is an apocalyptic number.

1219734405119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1219734405119 is an equidigital number, since it uses as much as digits as its factorization.

1219734405119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 1219734405119 in words is "one trillion, two hundred nineteen billion, seven hundred thirty-four million, four hundred five thousand, one hundred nineteen".