3836018020321 has 2 divisors, whose sum is σ = 3836018020322. Its totient is φ = 3836018020320.

The previous prime is 3836018020309. The next prime is 3836018020333. The reversal of 3836018020321 is 1230208106383.

It is a balanced prime because it is at equal distance from previous prime (3836018020309) and next prime (3836018020333).

It can be written as a sum of positive squares in only one way, i.e., 3832839879696 + 3178140625 = 1957764^2 + 56375^2 .

It is an emirp because it is prime and its reverse (1230208106383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3836018020321 - 2⁹ = 3836018019809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3836018020391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1918009010160 + 1918009010161.

It is an arithmetic number, because the mean of its divisors is an integer number (1918009010161).

Almost surely, 2^{3836018020321} is an apocalyptic number.

It is an amenable number.

3836018020321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3836018020321 is an equidigital number, since it uses as much as digits as its factorization.

3836018020321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 3836018020321 in words is "three trillion, eight hundred thirty-six billion, eighteen million, twenty thousand, three hundred twenty-one".