3861825483457 has 2 divisors, whose sum is σ = 3861825483458. Its totient is φ = 3861825483456.

The previous prime is 3861825483403. The next prime is 3861825483517. The reversal of 3861825483457 is 7543845281683.

3861825483457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3137719792321 + 724105691136 = 1771361^2 + 850944^2 .

It is a cyclic number.

It is not a de Polignac number, because 3861825483457 - 2³⁹ = 3312069669569 is a prime.

It is not a weakly prime, because it can be changed into another prime (3861825484457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930912741728 + 1930912741729.

It is an arithmetic number, because the mean of its divisors is an integer number (1930912741729).

Almost surely, 2^{3861825483457} is an apocalyptic number.

It is an amenable number.

3861825483457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861825483457 is an equidigital number, since it uses as much as digits as its factorization.

3861825483457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154828800, while the sum is 64.

The spelling of 3861825483457 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-five million, four hundred eighty-three thousand, four hundred fifty-seven".