6664554035039 has 4 divisors (see below), whose sum is σ = 6664561865400. Its totient is φ = 6664546204680.

The previous prime is 6664554035011. The next prime is 6664554035047. The reversal of 6664554035039 is 9305304554666.

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

It is a cyclic number.

It is not a de Polignac number, because 6664554035039 - 2⁸ = 6664554034783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664554035059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457632 + ... + 4401029.

It is an arithmetic number, because the mean of its divisors is an integer number (1666140466350).

Almost surely, 2^{6664554035039} is an apocalyptic number.

6664554035039 is a deficient number, since it is larger than the sum of its proper divisors (7830361).

6664554035039 is an equidigital number, since it uses as much as digits as its factorization.

6664554035039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830360.

The product of its (nonzero) digits is 34992000, while the sum is 56.

The spelling of 6664554035039 in words is "six trillion, six hundred sixty-four billion, five hundred fifty-four million, thirty-five thousand, thirty-nine".