19459467047 has 4 divisors (see below), whose sum is σ = 19533457680. Its totient is φ = 19385476416.

The previous prime is 19459467037. The next prime is 19459467059. The reversal of 19459467047 is 74076495491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19459467047 - 2¹² = 19459462951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19459466983 and 19459467001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19459467037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36994922 + ... + 36995447.

It is an arithmetic number, because the mean of its divisors is an integer number (4883364420).

Almost surely, 2^19459467047 is an apocalyptic number.

19459467047 is a deficient number, since it is larger than the sum of its proper divisors (73990633).

19459467047 is an equidigital number, since it uses as much as digits as its factorization.

19459467047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73990632.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 19459467047 in words is "nineteen billion, four hundred fifty-nine million, four hundred sixty-seven thousand, forty-seven".