5036666643 has 16 divisors (see below), whose sum is σ = 7573100160. Its totient is φ = 3307660488.

The previous prime is 5036666639. The next prime is 5036666671. The reversal of 5036666643 is 3466666305.

It is a happy number.

It is not a de Polignac number, because 5036666643 - 2² = 5036666639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5036666683) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1390305 + ... + 1393922.

It is an arithmetic number, because the mean of its divisors is an integer number (473318760).

Almost surely, 2^5036666643 is an apocalyptic number.

5036666643 is a deficient number, since it is larger than the sum of its proper divisors (2536433517).

5036666643 is a wasteful number, since it uses less digits than its factorization.

5036666643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784303 (or 2784297 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The square root of 5036666643 is about 70969.4768403995. The cubic root of 5036666643 is about 1714.1457089858.

The spelling of 5036666643 in words is "five billion, thirty-six million, six hundred sixty-six thousand, six hundred forty-three".