19342198393 has 16 divisors (see below), whose sum is σ = 22190927616. Its totient is φ = 16514933760.

The previous prime is 19342198357. The next prime is 19342198399. The reversal of 19342198393 is 39389124391.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 19342198393 - 2²⁹ = 18805327481 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 19342198393.

It is not an unprimeable number, because it can be changed into a prime (19342198399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6358953 + ... + 6361993.

It is an arithmetic number, because the mean of its divisors is an integer number (1386932976).

Almost surely, 2^19342198393 is an apocalyptic number.

It is an amenable number.

19342198393 is a deficient number, since it is larger than the sum of its proper divisors (2848729223).

19342198393 is a wasteful number, since it uses less digits than its factorization.

19342198393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264.

The product of its digits is 1259712, while the sum is 52.

The spelling of 19342198393 in words is "nineteen billion, three hundred forty-two million, one hundred ninety-eight thousand, three hundred ninety-three".