4089629689 has 2 divisors, whose sum is σ = 4089629690. Its totient is φ = 4089629688.

The previous prime is 4089629653. The next prime is 4089629693. The reversal of 4089629689 is 9869269804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3904125289 + 185504400 = 62483^2 + 13620^2 .

It is a cyclic number.

It is not a de Polignac number, because 4089629689 - 2⁹ = 4089629177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4089629389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044814844 + 2044814845.

It is an arithmetic number, because the mean of its divisors is an integer number (2044814845).

Almost surely, 2^4089629689 is an apocalyptic number.

It is an amenable number.

4089629689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4089629689 is an equidigital number, since it uses as much as digits as its factorization.

4089629689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 61.

The square root of 4089629689 is about 63950.2125797874. The cubic root of 4089629689 is about 1599.1701020397.

The spelling of 4089629689 in words is "four billion, eighty-nine million, six hundred twenty-nine thousand, six hundred eighty-nine".