19057422955 has 4 divisors (see below), whose sum is σ = 22868907552. Its totient is φ = 15245938360.

The previous prime is 19057422947. The next prime is 19057423001. The reversal of 19057422955 is 55922475091.

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

It is not a de Polignac number, because 19057422955 - 2³ = 19057422947 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19057422899 and 19057422908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905742291 + ... + 1905742300.

It is an arithmetic number, because the mean of its divisors is an integer number (5717226888).

Almost surely, 2^19057422955 is an apocalyptic number.

19057422955 is a deficient number, since it is larger than the sum of its proper divisors (3811484597).

19057422955 is an equidigital number, since it uses as much as digits as its factorization.

19057422955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811484596.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 19057422955 in words is "nineteen billion, fifty-seven million, four hundred twenty-two thousand, nine hundred fifty-five".