19853064133 has 8 divisors (see below), whose sum is σ = 22705105280. Its totient is φ = 17004995280.

The previous prime is 19853064131. The next prime is 19853064139. The reversal of 19853064133 is 33146035891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19853064133 - 2¹ = 19853064131 is a prime.

It is a super-2 number, since 2×19853064133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19853064133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19853064131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982353 + ... + 1002358.

It is an arithmetic number, because the mean of its divisors is an integer number (2838138160).

Almost surely, 2^19853064133 is an apocalyptic number.

It is an amenable number.

19853064133 is a deficient number, since it is larger than the sum of its proper divisors (2852041147).

19853064133 is a wasteful number, since it uses less digits than its factorization.

19853064133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986147.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 19853064133 in words is "nineteen billion, eight hundred fifty-three million, sixty-four thousand, one hundred thirty-three".