19045300479 has 8 divisors (see below), whose sum is σ = 25504624560. Its totient is φ = 12641421696.

The previous prime is 19045300459. The next prime is 19045300493. The reversal of 19045300479 is 97400354091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19045300479 - 2⁸ = 19045300223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19045300479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19045300429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13860522 + ... + 13861895.

It is an arithmetic number, because the mean of its divisors is an integer number (3188078070).

Almost surely, 2^19045300479 is an apocalyptic number.

19045300479 is a deficient number, since it is larger than the sum of its proper divisors (6459324081).

19045300479 is a wasteful number, since it uses less digits than its factorization.

19045300479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27722649.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 19045300479 in words is "nineteen billion, forty-five million, three hundred thousand, four hundred seventy-nine".