19489714000 has 40 divisors (see below), whose sum is σ = 47126133288. Its totient is φ = 7795884800.

The previous prime is 19489713989. The next prime is 19489714019. The reversal of 19489714000 is 41798491.

It can be written as a sum of positive squares in 4 ways, for example, as 2852841744 + 16636872256 = 53412^2 + 128984^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870429 + ... + 4874428.

Almost surely, 2^19489714000 is an apocalyptic number.

19489714000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19489714000 is an abundant number, since it is smaller than the sum of its proper divisors (27636419288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19489714000 is an equidigital number, since it uses as much as digits as its factorization.

19489714000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744880 (or 9744864 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 19489714000 in words is "nineteen billion, four hundred eighty-nine million, seven hundred fourteen thousand".