386353843121 has 2 divisors, whose sum is σ = 386353843122. Its totient is φ = 386353843120.

The previous prime is 386353843111. The next prime is 386353843123. The reversal of 386353843121 is 121348353683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292071070096 + 94282773025 = 540436^2 + 307055^2 .

It is a cyclic number.

It is not a de Polignac number, because 386353843121 - 2³⁴ = 369173973937 is a prime.

Together with 386353843123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (386353843123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193176921560 + 193176921561.

It is an arithmetic number, because the mean of its divisors is an integer number (193176921561).

Almost surely, 2^386353843121 is an apocalyptic number.

It is an amenable number.

386353843121 is a deficient number, since it is larger than the sum of its proper divisors (1).

386353843121 is an equidigital number, since it uses as much as digits as its factorization.

386353843121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 47.

The spelling of 386353843121 in words is "three hundred eighty-six billion, three hundred fifty-three million, eight hundred forty-three thousand, one hundred twenty-one".