19274847473 has 8 divisors (see below), whose sum is σ = 22031428800. Its totient is φ = 16519024080.

The previous prime is 19274847461. The next prime is 19274847509. The reversal of 19274847473 is 37474847291.

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 19274847473 - 2⁶ = 19274847409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19274847433) 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, 133898 + ... + 237651.

It is an arithmetic number, because the mean of its divisors is an integer number (2753928600).

Almost surely, 2^19274847473 is an apocalyptic number.

It is an amenable number.

19274847473 is a deficient number, since it is larger than the sum of its proper divisors (2756581327).

19274847473 is an equidigital number, since it uses as much as digits as its factorization.

19274847473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378967.

The product of its digits is 9483264, while the sum is 56.

The spelling of 19274847473 in words is "nineteen billion, two hundred seventy-four million, eight hundred forty-seven thousand, four hundred seventy-three".