5442644566 has 4 divisors (see below), whose sum is σ = 8163966852. Its totient is φ = 2721322282.

The previous prime is 5442644551. The next prime is 5442644579. The reversal of 5442644566 is 6654462445.

It is a happy number.

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

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, 1360661140 + ... + 1360661143.

It is an arithmetic number, because the mean of its divisors is an integer number (2040991713).

Almost surely, 2^5442644566 is an apocalyptic number.

5442644566 is a deficient number, since it is larger than the sum of its proper divisors (2721322286).

5442644566 is a wasteful number, since it uses less digits than its factorization.

5442644566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721322285.

The product of its digits is 2764800, while the sum is 46.

The square root of 5442644566 is about 73774.2811960916. The cubic root of 5442644566 is about 1759.0168154947.

The spelling of 5442644566 in words is "five billion, four hundred forty-two million, six hundred forty-four thousand, five hundred sixty-six".