5444246666 has 4 divisors (see below), whose sum is σ = 8166370002. Its totient is φ = 2722123332.

The previous prime is 5444246659. The next prime is 5444246677. The reversal of 5444246666 is 6666424445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5287471225 + 156775441 = 72715^2 + 12521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5444246666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361061665 + ... + 1361061668.

Almost surely, 2^5444246666 is an apocalyptic number.

5444246666 is a deficient number, since it is larger than the sum of its proper divisors (2722123336).

5444246666 is a wasteful number, since it uses less digits than its factorization.

5444246666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722123335.

The product of its digits is 3317760, while the sum is 47.

The square root of 5444246666 is about 73785.1385171838. The cubic root of 5444246666 is about 1759.1893936312.

The spelling of 5444246666 in words is "five billion, four hundred forty-four million, two hundred forty-six thousand, six hundred sixty-six".