8382021201851 has 4 divisors (see below), whose sum is σ = 9144023129304. Its totient is φ = 7620019274400.

The previous prime is 8382021201839. The next prime is 8382021201899. The reversal of 8382021201851 is 1581021202838.

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 8382021201851 - 2²² = 8382017007547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8382021201799 and 8382021201808.

It is not an unprimeable number, because it can be changed into a prime (8382021201811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381000963710 + ... + 381000963731.

It is an arithmetic number, because the mean of its divisors is an integer number (2286005782326).

Almost surely, 2^{8382021201851} is an apocalyptic number.

8382021201851 is a deficient number, since it is larger than the sum of its proper divisors (762001927453).

8382021201851 is a wasteful number, since it uses less digits than its factorization.

8382021201851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762001927452.

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 8382021201851 in words is "eight trillion, three hundred eighty-two billion, twenty-one million, two hundred one thousand, eight hundred fifty-one".