19473861422 has 4 divisors (see below), whose sum is σ = 29210792136. Its totient is φ = 9736930710.

The previous prime is 19473861401. The next prime is 19473861479. The reversal of 19473861422 is 22416837491.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4868465354 + ... + 4868465357.

It is an arithmetic number, because the mean of its divisors is an integer number (7302698034).

Almost surely, 2^19473861422 is an apocalyptic number.

19473861422 is a deficient number, since it is larger than the sum of its proper divisors (9736930714).

19473861422 is an equidigital number, since it uses as much as digits as its factorization.

19473861422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736930713.

The product of its digits is 580608, while the sum is 47.

The spelling of 19473861422 in words is "nineteen billion, four hundred seventy-three million, eight hundred sixty-one thousand, four hundred twenty-two".