4189818964 has 24 divisors (see below), whose sum is σ = 7728141960. Its totient is φ = 1984504704.

The previous prime is 4189818961. The next prime is 4189818967. The reversal of 4189818964 is 4698189814.

It is an interprime number because it is at equal distance from previous prime (4189818961) and next prime (4189818967).

It can be written as a sum of positive squares in 4 ways, for example, as 979690000 + 3210128964 = 31300^2 + 56658^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 4189818899 and 4189818908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189818961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334599 + ... + 346894.

It is an arithmetic number, because the mean of its divisors is an integer number (322005915).

Almost surely, 2^4189818964 is an apocalyptic number.

It is an amenable number.

4189818964 is a deficient number, since it is larger than the sum of its proper divisors (3538322996).

4189818964 is a wasteful number, since it uses less digits than its factorization.

4189818964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681579 (or 681577 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 58.

The square root of 4189818964 is about 64728.8109268199. The cubic root of 4189818964 is about 1612.1239106396.

The spelling of 4189818964 in words is "four billion, one hundred eighty-nine million, eight hundred eighteen thousand, nine hundred sixty-four".