19047315743 has 4 divisors (see below), whose sum is σ = 19157416008. Its totient is φ = 18937215480.

The previous prime is 19047315713. The next prime is 19047315751. The reversal of 19047315743 is 34751374091.

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 19047315743 - 2²⁶ = 18980206879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19047315694 and 19047315703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19047315713) 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, 55049873 + ... + 55050218.

It is an arithmetic number, because the mean of its divisors is an integer number (4789354002).

Almost surely, 2^19047315743 is an apocalyptic number.

19047315743 is a deficient number, since it is larger than the sum of its proper divisors (110100265).

19047315743 is a wasteful number, since it uses less digits than its factorization.

19047315743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110100264.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 19047315743 in words is "nineteen billion, forty-seven million, three hundred fifteen thousand, seven hundred forty-three".