4431043412 has 6 divisors (see below), whose sum is σ = 7754325978. Its totient is φ = 2215521704.

The previous prime is 4431043391. The next prime is 4431043481. The reversal of 4431043412 is 2143401344.

It can be written as a sum of positive squares in only one way, i.e., 3952133956 + 478909456 = 62866^2 + 21884^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 553880423 + ... + 553880430.

It is an arithmetic number, because the mean of its divisors is an integer number (1292387663).

Almost surely, 2^4431043412 is an apocalyptic number.

It is an amenable number.

4431043412 is a deficient number, since it is larger than the sum of its proper divisors (3323282566).

4431043412 is a wasteful number, since it uses less digits than its factorization.

4431043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107760857 (or 1107760855 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4431043412 is about 66566.0830453467. The cubic root of 4431043412 is about 1642.4872298182.

Adding to 4431043412 its reverse (2143401344), we get a palindrome (6574444756).

The spelling of 4431043412 in words is "four billion, four hundred thirty-one million, forty-three thousand, four hundred twelve".