2386386364981 has 2 divisors, whose sum is σ = 2386386364982. Its totient is φ = 2386386364980.

The previous prime is 2386386364867. The next prime is 2386386365003. The reversal of 2386386364981 is 1894636836832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347051576081 + 39334788900 = 1532009^2 + 198330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2386386364981 - 2⁷ = 2386386364853 is a prime.

It is a super-2 number, since 2×2386386364981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2386386364181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193193182490 + 1193193182491.

It is an arithmetic number, because the mean of its divisors is an integer number (1193193182491).

Almost surely, 2^{2386386364981} is an apocalyptic number.

It is an amenable number.

2386386364981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2386386364981 is an equidigital number, since it uses as much as digits as its factorization.

2386386364981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214990848, while the sum is 67.

The spelling of 2386386364981 in words is "two trillion, three hundred eighty-six billion, three hundred eighty-six million, three hundred sixty-four thousand, nine hundred eighty-one".