3856340568593 has 2 divisors, whose sum is σ = 3856340568594. Its totient is φ = 3856340568592.

The previous prime is 3856340568551. The next prime is 3856340568643. The reversal of 3856340568593 is 3958650436583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2545068236929 + 1311272331664 = 1595327^2 + 1145108^2 .

It is a cyclic number.

It is not a de Polignac number, because 3856340568593 - 2⁸ = 3856340568337 is a prime.

It is not a weakly prime, because it can be changed into another prime (3856340568193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928170284296 + 1928170284297.

It is an arithmetic number, because the mean of its divisors is an integer number (1928170284297).

Almost surely, 2^{3856340568593} is an apocalyptic number.

It is an amenable number.

3856340568593 is a deficient number, since it is larger than the sum of its proper divisors (1).

3856340568593 is an equidigital number, since it uses as much as digits as its factorization.

3856340568593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936000, while the sum is 65.

The spelling of 3856340568593 in words is "three trillion, eight hundred fifty-six billion, three hundred forty million, five hundred sixty-eight thousand, five hundred ninety-three".