3861825655313 has 2 divisors, whose sum is σ = 3861825655314. Its totient is φ = 3861825655312.

The previous prime is 3861825655249. The next prime is 3861825655349. The reversal of 3861825655313 is 3135565281683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3854970974464 + 6854680849 = 1963408^2 + 82793^2 .

It is a cyclic number.

It is not a de Polignac number, because 3861825655313 - 2⁶ = 3861825655249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3861825655613) 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 as a sum of consecutive naturals, namely, 1930912827656 + 1930912827657.

It is an arithmetic number, because the mean of its divisors is an integer number (1930912827657).

Almost surely, 2^{3861825655313} is an apocalyptic number.

It is an amenable number.

3861825655313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861825655313 is an equidigital number, since it uses as much as digits as its factorization.

3861825655313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552000, while the sum is 56.

The spelling of 3861825655313 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-five million, six hundred fifty-five thousand, three hundred thirteen".