3851683400389 has 4 divisors (see below), whose sum is σ = 4201836436800. Its totient is φ = 3501530363980.

The previous prime is 3851683400371. The next prime is 3851683400401. The reversal of 3851683400389 is 9830043861583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3851683400389 - 2²⁷ = 3851549182661 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 (3851683400989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175076518189 + ... + 175076518210.

It is an arithmetic number, because the mean of its divisors is an integer number (1050459109200).

Almost surely, 2^{3851683400389} is an apocalyptic number.

It is an amenable number.

3851683400389 is a deficient number, since it is larger than the sum of its proper divisors (350153036411).

3851683400389 is a wasteful number, since it uses less digits than its factorization.

3851683400389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350153036410.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 3851683400389 in words is "three trillion, eight hundred fifty-one billion, six hundred eighty-three million, four hundred thousand, three hundred eighty-nine".