4297889989 has 4 divisors (see below), whose sum is σ = 4306139820. Its totient is φ = 4289640160.

The previous prime is 4297889977. The next prime is 4297890001. The reversal of 4297889989 is 9899887924.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4297889977) and next prime (4297890001).

It can be written as a sum of positive squares in 2 ways, for example, as 556488100 + 3741401889 = 23590^2 + 61167^2 .

It is a cyclic number.

It is not a de Polignac number, because 4297889989 - 2¹¹ = 4297887941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4297889489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4124134 + ... + 4125175.

It is an arithmetic number, because the mean of its divisors is an integer number (1076534955).

Almost surely, 2^4297889989 is an apocalyptic number.

It is an amenable number.

4297889989 is a deficient number, since it is larger than the sum of its proper divisors (8249831).

4297889989 is an equidigital number, since it uses as much as digits as its factorization.

4297889989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249830.

The product of its digits is 188116992, while the sum is 73.

The square root of 4297889989 is about 65558.2945858112. The cubic root of 4297889989 is about 1625.8673068269.

The spelling of 4297889989 in words is "four billion, two hundred ninety-seven million, eight hundred eighty-nine thousand, nine hundred eighty-nine".