19049407046 has 4 divisors (see below), whose sum is σ = 28574110572. Its totient is φ = 9524703522.

The previous prime is 19049407007. The next prime is 19049407057. The reversal of 19049407046 is 64070494091.

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

It is a super-2 number, since 2×19049407046² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19049406988 and 19049407006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4762351760 + ... + 4762351763.

It is an arithmetic number, because the mean of its divisors is an integer number (7143527643).

Almost surely, 2^19049407046 is an apocalyptic number.

19049407046 is a deficient number, since it is larger than the sum of its proper divisors (9524703526).

19049407046 is an equidigital number, since it uses as much as digits as its factorization.

19049407046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524703525.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 19049407046 in words is "nineteen billion, forty-nine million, four hundred seven thousand, forty-six".