6608748739 has 4 divisors (see below), whose sum is σ = 6956577640. Its totient is φ = 6260919840.

The previous prime is 6608748719. The next prime is 6608748761. The reversal of 6608748739 is 9378478066.

It is a happy number.

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 6608748739 - 2⁹ = 6608748227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6608748719) 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, 173914422 + ... + 173914459.

It is an arithmetic number, because the mean of its divisors is an integer number (1739144410).

Almost surely, 2^6608748739 is an apocalyptic number.

6608748739 is a deficient number, since it is larger than the sum of its proper divisors (347828901).

6608748739 is a wasteful number, since it uses less digits than its factorization.

6608748739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347828900.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The square root of 6608748739 is about 81294.2109808564. The cubic root of 6608748739 is about 1876.6059120114.

The spelling of 6608748739 in words is "six billion, six hundred eight million, seven hundred forty-eight thousand, seven hundred thirty-nine".