1919964098017 has 8 divisors (see below), whose sum is σ = 2194955049600. Its totient is φ = 1645150737984.

The previous prime is 1919964098009. The next prime is 1919964098051. The reversal of 1919964098017 is 7108904699191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1919964098017 - 2³ = 1919964098009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1919964098017.

It is not an unprimeable number, because it can be changed into a prime (1919964098917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44374717 + ... + 44417962.

It is an arithmetic number, because the mean of its divisors is an integer number (274369381200).

Almost surely, 2^{1919964098017} is an apocalyptic number.

It is an amenable number.

1919964098017 is a deficient number, since it is larger than the sum of its proper divisors (274990951583).

1919964098017 is an equidigital number, since it uses as much as digits as its factorization.

1919964098017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88795775.

The product of its (nonzero) digits is 8817984, while the sum is 64.

The spelling of 1919964098017 in words is "one trillion, nine hundred nineteen billion, nine hundred sixty-four million, ninety-eight thousand, seventeen".