19318419748 has 12 divisors (see below), whose sum is σ = 33812343040. Its totient is φ = 9657750312.

The previous prime is 19318419721. The next prime is 19318419767. The reversal of 19318419748 is 84791481391.

It is a happy number.

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, 334836 + ... + 388267.

Almost surely, 2^19318419748 is an apocalyptic number.

It is an amenable number.

19318419748 is a deficient number, since it is larger than the sum of its proper divisors (14493923292).

19318419748 is a wasteful number, since it uses less digits than its factorization.

19318419748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729786 (or 729784 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The spelling of 19318419748 in words is "nineteen billion, three hundred eighteen million, four hundred nineteen thousand, seven hundred forty-eight".