6680619451 has 6 divisors (see below), whose sum is σ = 7343160356. Its totient is φ = 6073290300.

The previous prime is 6680619427. The next prime is 6680619461. The reversal of 6680619451 is 1549160866.

It is a de Polignac number, because none of the positive numbers 2^k-6680619451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6680619461) 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 5 ways as a sum of consecutive naturals, for example, 27605745 + ... + 27605986.

Almost surely, 2^6680619451 is an apocalyptic number.

6680619451 is a deficient number, since it is larger than the sum of its proper divisors (662540905).

6680619451 is a wasteful number, since it uses less digits than its factorization.

6680619451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55211753 (or 55211742 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 6680619451 is about 81735.0564384708. The cubic root of 6680619451 is about 1883.3841500964.

The spelling of 6680619451 in words is "six billion, six hundred eighty million, six hundred nineteen thousand, four hundred fifty-one".