19498349488 has 40 divisors (see below), whose sum is σ = 38057359808. Its totient is φ = 9677247552.

The previous prime is 19498349449. The next prime is 19498349489. The reversal of 19498349488 is 88494389491.

It is not an unprimeable number, because it can be changed into a prime (19498349489) 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, 2298631 + ... + 2307097.

Almost surely, 2^19498349488 is an apocalyptic number.

It is an amenable number.

19498349488 is a deficient number, since it is larger than the sum of its proper divisors (18559010320).

19498349488 is a wasteful number, since it uses less digits than its factorization.

19498349488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521 (or 9515 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 67.

The spelling of 19498349488 in words is "nineteen billion, four hundred ninety-eight million, three hundred forty-nine thousand, four hundred eighty-eight".