19059849536 has 224 divisors, whose sum is σ = 48366151680. Its totient is φ = 7249305600.

The previous prime is 19059849467. The next prime is 19059849547. The reversal of 19059849536 is 63594895091.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41344346 + ... + 41344806.

It is an arithmetic number, because the mean of its divisors is an integer number (215920320).

Almost surely, 2^19059849536 is an apocalyptic number.

19059849536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19059849536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24183075840).

19059849536 is an abundant number, since it is smaller than the sum of its proper divisors (29306302144).

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

19059849536 is a wasteful number, since it uses less digits than its factorization.

19059849536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 19059849536 in words is "nineteen billion, fifty-nine million, eight hundred forty-nine thousand, five hundred thirty-six".