19675393919 has 8 divisors (see below), whose sum is σ = 19743008688. Its totient is φ = 19607896000.

The previous prime is 19675393883. The next prime is 19675393939. The reversal of 19675393919 is 91939357691.

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 19675393919 - 2⁸ = 19675393663 is a prime.

It is a super-2 number, since 2×19675393919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19675393939) 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, 315044 + ... + 372294.

It is an arithmetic number, because the mean of its divisors is an integer number (2467876086).

Almost surely, 2^19675393919 is an apocalyptic number.

19675393919 is a deficient number, since it is larger than the sum of its proper divisors (67614769).

19675393919 is an equidigital number, since it uses as much as digits as its factorization.

19675393919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58425.

The product of its digits is 12400290, while the sum is 62.

The spelling of 19675393919 in words is "nineteen billion, six hundred seventy-five million, three hundred ninety-three thousand, nine hundred nineteen".