5644717966 has 4 divisors (see below), whose sum is σ = 8467076952. Its totient is φ = 2822358982.

The previous prime is 5644717921. The next prime is 5644718011. The reversal of 5644717966 is 6697174465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6697174465 = 5 ⋅1339434893.

It is an interprime number because it is at equal distance from previous prime (5644717921) and next prime (5644718011).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411179490 + ... + 1411179493.

It is an arithmetic number, because the mean of its divisors is an integer number (2116769238).

Almost surely, 2^5644717966 is an apocalyptic number.

5644717966 is a deficient number, since it is larger than the sum of its proper divisors (2822358986).

5644717966 is a wasteful number, since it uses less digits than its factorization.

5644717966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822358985.

The product of its digits is 7620480, while the sum is 55.

The square root of 5644717966 is about 75131.3381086747. The cubic root of 5644717966 is about 1780.5222940236.

The spelling of 5644717966 in words is "five billion, six hundred forty-four million, seven hundred seventeen thousand, nine hundred sixty-six".