819308482133 has 8 divisors (see below), whose sum is σ = 845781307008. Its totient is φ = 793172890944.

The previous prime is 819308482129. The next prime is 819308482163. The reversal of 819308482133 is 331284803918.

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

It is a cyclic number.

It is not a de Polignac number, because 819308482133 - 2² = 819308482129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819308482103) 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, 84303485 + ... + 84313202.

It is an arithmetic number, because the mean of its divisors is an integer number (105722663376).

Almost surely, 2^819308482133 is an apocalyptic number.

It is an amenable number.

819308482133 is a deficient number, since it is larger than the sum of its proper divisors (26472824875).

819308482133 is a wasteful number, since it uses less digits than its factorization.

819308482133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168616843.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 819308482133 in words is "eight hundred nineteen billion, three hundred eight million, four hundred eighty-two thousand, one hundred thirty-three".