4138488659 has 2 divisors, whose sum is σ = 4138488660. Its totient is φ = 4138488658.

The previous prime is 4138488649. The next prime is 4138488677. The reversal of 4138488659 is 9568848314.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4138488659 - 2²⁴ = 4121711443 is a prime.

It is not a weakly prime, because it can be changed into another prime (4138488649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069244329 + 2069244330.

It is an arithmetic number, because the mean of its divisors is an integer number (2069244330).

Almost surely, 2^4138488659 is an apocalyptic number.

4138488659 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138488659 is an equidigital number, since it uses as much as digits as its factorization.

4138488659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6635520, while the sum is 56.

The square root of 4138488659 is about 64331.0862569567. The cubic root of 4138488659 is about 1605.5133574583.

The spelling of 4138488659 in words is "four billion, one hundred thirty-eight million, four hundred eighty-eight thousand, six hundred fifty-nine".