6739921769 has 8 divisors (see below), whose sum is σ = 7710335040. Its totient is φ = 5771400336.

The previous prime is 6739921757. The next prime is 6739921807. The reversal of 6739921769 is 9671299376.

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 6739921769 - 2²⁴ = 6723144553 is a prime.

It is a super-2 number, since 2×6739921769² = 90853090904480178722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6739921709) 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, 465314 + ... + 479579.

It is an arithmetic number, because the mean of its divisors is an integer number (963791880).

Almost surely, 2^6739921769 is an apocalyptic number.

It is an amenable number.

6739921769 is a deficient number, since it is larger than the sum of its proper divisors (970413271).

6739921769 is a wasteful number, since it uses less digits than its factorization.

6739921769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945919.

The product of its digits is 7715736, while the sum is 59.

The square root of 6739921769 is about 82097.0265539502. The cubic root of 6739921769 is about 1888.9405303837.

The spelling of 6739921769 in words is "six billion, seven hundred thirty-nine million, nine hundred twenty-one thousand, seven hundred sixty-nine".