406703666659 has 2 divisors, whose sum is σ = 406703666660. Its totient is φ = 406703666658.

The previous prime is 406703666623. The next prime is 406703666687. The reversal of 406703666659 is 956666307604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406703666659 - 2⁷ = 406703666531 is a prime.

It is not a weakly prime, because it can be changed into another prime (406703666059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203351833329 + 203351833330.

It is an arithmetic number, because the mean of its divisors is an integer number (203351833330).

Almost surely, 2^406703666659 is an apocalyptic number.

406703666659 is a deficient number, since it is larger than the sum of its proper divisors (1).

406703666659 is an equidigital number, since it uses as much as digits as its factorization.

406703666659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 406703666659 in words is "four hundred six billion, seven hundred three million, six hundred sixty-six thousand, six hundred fifty-nine".