4406400659 has 2 divisors, whose sum is σ = 4406400660. Its totient is φ = 4406400658.

The previous prime is 4406400643. The next prime is 4406400671. The reversal of 4406400659 is 9560046044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4406400659 - 2⁴ = 4406400643 is a prime.

It is not a weakly prime, because it can be changed into another prime (4406400689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203200329 + 2203200330.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200330).

Almost surely, 2^4406400659 is an apocalyptic number.

4406400659 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406400659 is an equidigital number, since it uses as much as digits as its factorization.

4406400659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 4406400659 is about 66380.7250562993. The cubic root of 4406400659 is about 1639.4367313854.

The spelling of 4406400659 in words is "four billion, four hundred six million, four hundred thousand, six hundred fifty-nine".