4134421989 has 18 divisors (see below), whose sum is σ = 6007053650. Its totient is φ = 2740170528.

The previous prime is 4134421943. The next prime is 4134422003. The reversal of 4134421989 is 9891244314.

4134421989 is a `hidden beast` number, since 4 + 13 + 442 + 198 + 9 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2075531364 + 2058890625 = 45558^2 + 45375^2 .

It is not a de Polignac number, because 4134421989 - 2¹² = 4134417893 is a prime.

It is a super-2 number, since 2×4134421989² = 34186890366253432242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134421909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 261687 + ... + 277035.

Almost surely, 2^4134421989 is an apocalyptic number.

It is an amenable number.

4134421989 is a deficient number, since it is larger than the sum of its proper divisors (1872631661).

4134421989 is a wasteful number, since it uses less digits than its factorization.

4134421989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15701 (or 15525 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 4134421989 is about 64299.4711409044. The cubic root of 4134421989 is about 1604.9873012650.

The spelling of 4134421989 in words is "four billion, one hundred thirty-four million, four hundred twenty-one thousand, nine hundred eighty-nine".