386891912101 has 2 divisors, whose sum is σ = 386891912102. Its totient is φ = 386891912100.

The previous prime is 386891912081. The next prime is 386891912167. The reversal of 386891912101 is 101219198683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271717200225 + 115174711876 = 521265^2 + 339374^2 .

It is a cyclic number.

It is not a de Polignac number, because 386891912101 - 2²⁷ = 386757694373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386891412101) 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 as a sum of consecutive naturals, namely, 193445956050 + 193445956051.

It is an arithmetic number, because the mean of its divisors is an integer number (193445956051).

Almost surely, 2^386891912101 is an apocalyptic number.

It is an amenable number.

386891912101 is a deficient number, since it is larger than the sum of its proper divisors (1).

386891912101 is an equidigital number, since it uses as much as digits as its factorization.

386891912101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 49.

The spelling of 386891912101 in words is "three hundred eighty-six billion, eight hundred ninety-one million, nine hundred twelve thousand, one hundred one".