659094643 has 2 divisors, whose sum is σ = 659094644. Its totient is φ = 659094642.

The previous prime is 659094613. The next prime is 659094659. The reversal of 659094643 is 346490956.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 659094643 - 2²¹ = 656997491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 659094593 and 659094602.

It is not a weakly prime, because it can be changed into another prime (659094613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329547321 + 329547322.

It is an arithmetic number, because the mean of its divisors is an integer number (329547322).

Almost surely, 2^659094643 is an apocalyptic number.

659094643 is a deficient number, since it is larger than the sum of its proper divisors (1).

659094643 is an equidigital number, since it uses as much as digits as its factorization.

659094643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 659094643 is about 25672.8386237284. The cubic root of 659094643 is about 870.2604773409.

The spelling of 659094643 in words is "six hundred fifty-nine million, ninety-four thousand, six hundred forty-three".