6673403681 has 16 divisors (see below), whose sum is σ = 7846136064. Its totient is φ = 5557616064.

The previous prime is 6673403677. The next prime is 6673403743. The reversal of 6673403681 is 1863043766.

It is not a de Polignac number, because 6673403681 - 2² = 6673403677 is a prime.

It is a super-2 number, since 2×6673403681² = 89068633379168699522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6673403621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49106 + ... + 125531.

It is an arithmetic number, because the mean of its divisors is an integer number (490383504).

Almost surely, 2^6673403681 is an apocalyptic number.

It is an amenable number.

6673403681 is a deficient number, since it is larger than the sum of its proper divisors (1172732383).

6673403681 is a wasteful number, since it uses less digits than its factorization.

6673403681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174800.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 6673403681 is about 81690.9032940633. The cubic root of 6673403681 is about 1882.7058216476.

The spelling of 6673403681 in words is "six billion, six hundred seventy-three million, four hundred three thousand, six hundred eighty-one".