19082853447 has 32 divisors (see below), whose sum is σ = 31024249344. Its totient is φ = 10184678400.

The previous prime is 19082853431. The next prime is 19082853497. The reversal of 19082853447 is 74435828091.

It is a happy number.

It is not a de Polignac number, because 19082853447 - 2⁴ = 19082853431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 19082853447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19082853497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157254 + ... + 250787.

It is an arithmetic number, because the mean of its divisors is an integer number (969507792).

Almost surely, 2^19082853447 is an apocalyptic number.

19082853447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

19082853447 is a deficient number, since it is larger than the sum of its proper divisors (11941395897).

19082853447 is a wasteful number, since it uses less digits than its factorization.

19082853447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408199.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 19082853447 in words is "nineteen billion, eighty-two million, eight hundred fifty-three thousand, four hundred forty-seven".