6610358749 has 4 divisors (see below), whose sum is σ = 6823596160. Its totient is φ = 6397121340.

The previous prime is 6610358719. The next prime is 6610358767. The reversal of 6610358749 is 9478530166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6610358749 - 2⁷ = 6610358621 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 (6610358719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106618659 + ... + 106618720.

It is an arithmetic number, because the mean of its divisors is an integer number (1705899040).

Almost surely, 2^6610358749 is an apocalyptic number.

It is an amenable number.

6610358749 is a deficient number, since it is larger than the sum of its proper divisors (213237411).

6610358749 is a wasteful number, since it uses less digits than its factorization.

6610358749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213237410.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 6610358749 is about 81304.1127434523. The cubic root of 6610358749 is about 1876.7582912835.

The spelling of 6610358749 in words is "six billion, six hundred ten million, three hundred fifty-eight thousand, seven hundred forty-nine".