5043251645 has 8 divisors (see below), whose sum is σ = 6114293304. Its totient is φ = 3993007104.

The previous prime is 5043251599. The next prime is 5043251683. The reversal of 5043251645 is 5461523405.

It can be written as a sum of positive squares in 4 ways, for example, as 1402577401 + 3640674244 = 37451^2 + 60338^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5043251645 - 2¹⁰ = 5043250621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198744 + ... + 5199713.

It is an arithmetic number, because the mean of its divisors is an integer number (764286663).

Almost surely, 2^5043251645 is an apocalyptic number.

It is an amenable number.

5043251645 is a deficient number, since it is larger than the sum of its proper divisors (1071041659).

5043251645 is a wasteful number, since it uses less digits than its factorization.

5043251645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398559.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5043251645 is about 71015.8548846664. The cubic root of 5043251645 is about 1714.8924156263.

The spelling of 5043251645 in words is "five billion, forty-three million, two hundred fifty-one thousand, six hundred forty-five".