3858408599657 has 2 divisors, whose sum is σ = 3858408599658. Its totient is φ = 3858408599656.

The previous prime is 3858408599641. The next prime is 3858408599707. The reversal of 3858408599657 is 7569958048583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2950616965696 + 907791633961 = 1717736^2 + 952781^2 .

It is a cyclic number.

It is not a de Polignac number, because 3858408599657 - 2⁴ = 3858408599641 is a prime.

It is not a weakly prime, because it can be changed into another prime (3858488599657) 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, 1929204299828 + 1929204299829.

It is an arithmetic number, because the mean of its divisors is an integer number (1929204299829).

Almost surely, 2^{3858408599657} is an apocalyptic number.

It is an amenable number.

3858408599657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858408599657 is an equidigital number, since it uses as much as digits as its factorization.

3858408599657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736000, while the sum is 77.

The spelling of 3858408599657 in words is "three trillion, eight hundred fifty-eight billion, four hundred eight million, five hundred ninety-nine thousand, six hundred fifty-seven".