4436691812 has 24 divisors (see below), whose sum is σ = 9259184256. Its totient is φ = 1818767808.

The previous prime is 4436691811. The next prime is 4436691871. The reversal of 4436691812 is 2181966344.

It is not an unprimeable number, because it can be changed into a prime (4436691811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443993 + ... + 3445280.

It is an arithmetic number, because the mean of its divisors is an integer number (385799344).

Almost surely, 2^4436691812 is an apocalyptic number.

It is an amenable number.

4436691812 is an abundant number, since it is smaller than the sum of its proper divisors (4822492444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4436691812 is a wasteful number, since it uses less digits than its factorization.

4436691812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889307 (or 6889305 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 4436691812 is about 66608.4965451105. The cubic root of 4436691812 is about 1643.1848447074.

The spelling of 4436691812 in words is "four billion, four hundred thirty-six million, six hundred ninety-one thousand, eight hundred twelve".