3866321838137 has 16 divisors (see below), whose sum is σ = 4467737440512. Its totient is φ = 3306730571520.

The previous prime is 3866321838131. The next prime is 3866321838157. The reversal of 3866321838137 is 7318381236683.

It is a cyclic number.

It is not a de Polignac number, because 3866321838137 - 2¹⁰ = 3866321837113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3866321838131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3767078 + ... + 4682255.

It is an arithmetic number, because the mean of its divisors is an integer number (279233590032).

Almost surely, 2^{3866321838137} is an apocalyptic number.

It is an amenable number.

3866321838137 is a deficient number, since it is larger than the sum of its proper divisors (601415602375).

3866321838137 is a wasteful number, since it uses less digits than its factorization.

3866321838137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451808.

The product of its digits is 20901888, while the sum is 59.

The spelling of 3866321838137 in words is "three trillion, eight hundred sixty-six billion, three hundred twenty-one million, eight hundred thirty-eight thousand, one hundred thirty-seven".