825074339221 has 8 divisors (see below), whose sum is σ = 900093096000. Its totient is φ = 750057582240.

The previous prime is 825074339209. The next prime is 825074339227. The reversal of 825074339221 is 122933470528.

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 825074339221 - 2¹⁹ = 825073814933 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 (825074339227) 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, 439480 + ... + 1357678.

It is an arithmetic number, because the mean of its divisors is an integer number (112511637000).

Almost surely, 2^825074339221 is an apocalyptic number.

It is an amenable number.

825074339221 is a deficient number, since it is larger than the sum of its proper divisors (75018756779).

825074339221 is a wasteful number, since it uses less digits than its factorization.

825074339221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999899.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 825074339221 in words is "eight hundred twenty-five billion, seventy-four million, three hundred thirty-nine thousand, two hundred twenty-one".