828069101999 has 4 divisors (see below), whose sum is σ = 828071513136. Its totient is φ = 828066690864.

The previous prime is 828069101989. The next prime is 828069102041. The reversal of 828069101999 is 999101960828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 828069101999 - 2²⁴ = 828052324783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828069101989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 583379 + ... + 1412964.

It is an arithmetic number, because the mean of its divisors is an integer number (207017878284).

Almost surely, 2^828069101999 is an apocalyptic number.

828069101999 is a deficient number, since it is larger than the sum of its proper divisors (2411137).

828069101999 is a wasteful number, since it uses less digits than its factorization.

828069101999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411136.

The product of its (nonzero) digits is 5038848, while the sum is 62.

The spelling of 828069101999 in words is "eight hundred twenty-eight billion, sixty-nine million, one hundred one thousand, nine hundred ninety-nine".