825133687993 has 8 divisors (see below), whose sum is σ = 837576317312. Its totient is φ = 812694800016.

The previous prime is 825133687991. The next prime is 825133688011. The reversal of 825133687993 is 399786331528.

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 825133687993 - 2¹ = 825133687991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825133687991) 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 7 ways as a sum of consecutive naturals, for example, 489330 + ... + 1374667.

It is an arithmetic number, because the mean of its divisors is an integer number (104697039664).

Almost surely, 2^825133687993 is an apocalyptic number.

It is an amenable number.

825133687993 is a deficient number, since it is larger than the sum of its proper divisors (12442629319).

825133687993 is a wasteful number, since it uses less digits than its factorization.

825133687993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870671.

The product of its digits is 58786560, while the sum is 64.

The spelling of 825133687993 in words is "eight hundred twenty-five billion, one hundred thirty-three million, six hundred eighty-seven thousand, nine hundred ninety-three".