6680458749 has 8 divisors (see below), whose sum is σ = 8960616000. Its totient is φ = 4426970336.

The previous prime is 6680458717. The next prime is 6680458753. The reversal of 6680458749 is 9478540866.

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 6680458749 - 2⁵ = 6680458717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680458789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6666624 + ... + 6667625.

It is an arithmetic number, because the mean of its divisors is an integer number (1120077000).

Almost surely, 2^6680458749 is an apocalyptic number.

It is an amenable number.

6680458749 is a deficient number, since it is larger than the sum of its proper divisors (2280157251).

6680458749 is a wasteful number, since it uses less digits than its factorization.

6680458749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334419.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The square root of 6680458749 is about 81734.0733660081. The cubic root of 6680458749 is about 1883.3690484016.

The spelling of 6680458749 in words is "six billion, six hundred eighty million, four hundred fifty-eight thousand, seven hundred forty-nine".