19488800349 has 36 divisors (see below), whose sum is σ = 29142119136. Its totient is φ = 12549978000.

The previous prime is 19488800333. The next prime is 19488800389. The reversal of 19488800349 is 94300888491.

It is not a de Polignac number, because 19488800349 - 2⁴ = 19488800333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19488800295 and 19488800304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19488800389) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5455734 + ... + 5459304.

Almost surely, 2^19488800349 is an apocalyptic number.

It is an amenable number.

19488800349 is a deficient number, since it is larger than the sum of its proper divisors (9653318787).

19488800349 is a wasteful number, since it uses less digits than its factorization.

19488800349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 19488800349 in words is "nineteen billion, four hundred eighty-eight million, eight hundred thousand, three hundred forty-nine".