19476042393 has 8 divisors (see below), whose sum is σ = 26259832800. Its totient is φ = 12838140128.

The previous prime is 19476042389. The next prime is 19476042427. The reversal of 19476042393 is 39324067491.

It is a happy number.

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 19476042393 - 2² = 19476042389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19476042193) 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, 36471723 + ... + 36472256.

It is an arithmetic number, because the mean of its divisors is an integer number (3282479100).

Almost surely, 2^19476042393 is an apocalyptic number.

It is an amenable number.

19476042393 is a deficient number, since it is larger than the sum of its proper divisors (6783790407).

19476042393 is an equidigital number, since it uses as much as digits as its factorization.

19476042393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72944071.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 19476042393 in words is "nineteen billion, four hundred seventy-six million, forty-two thousand, three hundred ninety-three".