19249452834 has 64 divisors (see below), whose sum is σ = 40278954240. Its totient is φ = 6127107840.

The previous prime is 19249452829. The next prime is 19249452853. The reversal of 19249452834 is 43825494291.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3606832 + ... + 3612164.

It is an arithmetic number, because the mean of its divisors is an integer number (629358660).

Almost surely, 2^19249452834 is an apocalyptic number.

19249452834 is an abundant number, since it is smaller than the sum of its proper divisors (21029501406).

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

19249452834 is a wasteful number, since it uses less digits than its factorization.

19249452834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675.

The product of its digits is 2488320, while the sum is 51.

The spelling of 19249452834 in words is "nineteen billion, two hundred forty-nine million, four hundred fifty-two thousand, eight hundred thirty-four".