8252603136821 has 8 divisors (see below), whose sum is σ = 8261429537088. Its totient is φ = 8243777412000.

The previous prime is 8252603136779. The next prime is 8252603136853. The reversal of 8252603136821 is 1286313062528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8252603136821 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 (8252603136221) 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, 26529416 + ... + 26838686.

It is an arithmetic number, because the mean of its divisors is an integer number (1032678692136).

Almost surely, 2^{8252603136821} is an apocalyptic number.

It is an amenable number.

8252603136821 is a deficient number, since it is larger than the sum of its proper divisors (8826400267).

8252603136821 is a wasteful number, since it uses less digits than its factorization.

8252603136821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337723.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 8252603136821 in words is "eight trillion, two hundred fifty-two billion, six hundred three million, one hundred thirty-six thousand, eight hundred twenty-one".