8025356689921 has 8 divisors (see below), whose sum is σ = 8055733904064. Its totient is φ = 7995006982800.

The previous prime is 8025356689873. The next prime is 8025356690041. The reversal of 8025356689921 is 1299866535208.

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 8025356689921 - 2³⁹ = 7475600876033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8025356680921) 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, 6292045 + ... + 7459258.

It is an arithmetic number, because the mean of its divisors is an integer number (1006966738008).

Almost surely, 2^{8025356689921} is an apocalyptic number.

It is an amenable number.

8025356689921 is a deficient number, since it is larger than the sum of its proper divisors (30377214143).

8025356689921 is a wasteful number, since it uses less digits than its factorization.

8025356689921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753511.

The product of its (nonzero) digits is 55987200, while the sum is 64.

The spelling of 8025356689921 in words is "eight trillion, twenty-five billion, three hundred fifty-six million, six hundred eighty-nine thousand, nine hundred twenty-one".