6761639793 has 8 divisors (see below), whose sum is σ = 9020064928. Its totient is φ = 4505487264.

The previous prime is 6761639767. The next prime is 6761639831. The reversal of 6761639793 is 3979361676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6761639793 - 2⁵ = 6761639761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6761639713) 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 7 ways as a sum of consecutive naturals, for example, 561196 + ... + 573117.

It is an arithmetic number, because the mean of its divisors is an integer number (1127508116).

Almost surely, 2^6761639793 is an apocalyptic number.

It is an amenable number.

6761639793 is a deficient number, since it is larger than the sum of its proper divisors (2258425135).

6761639793 is a wasteful number, since it uses less digits than its factorization.

6761639793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136303.

The product of its digits is 7715736, while the sum is 57.

The square root of 6761639793 is about 82229.1906381183. The cubic root of 6761639793 is about 1890.9672636310.

The spelling of 6761639793 in words is "six billion, seven hundred sixty-one million, six hundred thirty-nine thousand, seven hundred ninety-three".