6466003444 has 12 divisors (see below), whose sum is σ = 11705696100. Its totient is φ = 3121518848.

The previous prime is 6466003433. The next prime is 6466003457. The reversal of 6466003444 is 4443006646.

It can be written as a sum of positive squares in 2 ways, for example, as 3616579044 + 2849424400 = 60138^2 + 53380^2 .

It is a super-2 number, since 2×6466003444² = 83618401075639722272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27870589 + ... + 27870820.

It is an arithmetic number, because the mean of its divisors is an integer number (975474675).

Almost surely, 2^6466003444 is an apocalyptic number.

It is an amenable number.

6466003444 is a deficient number, since it is larger than the sum of its proper divisors (5239692656).

6466003444 is a wasteful number, since it uses less digits than its factorization.

6466003444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55741442 (or 55741440 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The square root of 6466003444 is about 80411.4633867585. The cubic root of 6466003444 is about 1862.9962349286.

The spelling of 6466003444 in words is "six billion, four hundred sixty-six million, three thousand, four hundred forty-four".