5144252566 has 4 divisors (see below), whose sum is σ = 7716378852. Its totient is φ = 2572126282.

The previous prime is 5144252537. The next prime is 5144252569. The reversal of 5144252566 is 6652524415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6652524415 = 5 ⋅1330504883.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144252569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286063140 + ... + 1286063143.

It is an arithmetic number, because the mean of its divisors is an integer number (1929094713).

Almost surely, 2^5144252566 is an apocalyptic number.

5144252566 is a deficient number, since it is larger than the sum of its proper divisors (2572126286).

5144252566 is a wasteful number, since it uses less digits than its factorization.

5144252566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572126285.

The product of its digits is 288000, while the sum is 40.

The square root of 5144252566 is about 71723.4450232279. The cubic root of 5144252566 is about 1726.2648502161.

The spelling of 5144252566 in words is "five billion, one hundred forty-four million, two hundred fifty-two thousand, five hundred sixty-six".