19419893513 has 8 divisors (see below), whose sum is σ = 19542633600. Its totient is φ = 19297197648.

The previous prime is 19419893501. The next prime is 19419893527. The reversal of 19419893513 is 31539891491.

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 19419893513 - 2²⁰ = 19418844937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19419893573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597703 + ... + 1609811.

It is an arithmetic number, because the mean of its divisors is an integer number (2442829200).

Almost surely, 2^19419893513 is an apocalyptic number.

It is an amenable number.

19419893513 is a deficient number, since it is larger than the sum of its proper divisors (122740087).

19419893513 is a wasteful number, since it uses less digits than its factorization.

19419893513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111.

The product of its digits is 1049760, while the sum is 53.

The spelling of 19419893513 in words is "nineteen billion, four hundred nineteen million, eight hundred ninety-three thousand, five hundred thirteen".