10206665593 has 2 divisors, whose sum is σ = 10206665594. Its totient is φ = 10206665592.

The previous prime is 10206665569. The next prime is 10206665603. The reversal of 10206665593 is 39556660201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6719408784 + 3487256809 = 81972^2 + 59053^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206665593 - 2⁵ = 10206665561 is a prime.

It is not a weakly prime, because it can be changed into another prime (10206365593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103332796 + 5103332797.

It is an arithmetic number, because the mean of its divisors is an integer number (5103332797).

Almost surely, 2^10206665593 is an apocalyptic number.

It is an amenable number.

10206665593 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206665593 is an equidigital number, since it uses as much as digits as its factorization.

10206665593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 10206665593 in words is "ten billion, two hundred six million, six hundred sixty-five thousand, five hundred ninety-three".