6713671969 has 3 divisors (see below), whose sum is σ = 6713753907. Its totient is φ = 6713590032.

The previous prime is 6713671897. The next prime is 6713671973. The reversal of 6713671969 is 9691763176.

It is a happy number.

The square root of 6713671969 is 81937.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5438325025 + 1275346944 = 73745^2 + 35712^2 .

It is not a de Polignac number, because 6713671969 - 2²⁵ = 6680117537 is a prime.

It is a super-2 number, since 2×6713671969² = 90146782614672673922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6713671169) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 40969 + ... + 122905.

It is an arithmetic number, because the mean of its divisors is an integer number (2237917969).

Almost surely, 2^6713671969 is an apocalyptic number.

6713671969 is the 81937-th square number.

6713671969 is the 40969-th centered octagonal number.

It is an amenable number.

6713671969 is a deficient number, since it is larger than the sum of its proper divisors (81938).

6713671969 is an frugal number, since it uses more digits than its factorization.

6713671969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163874 (or 81937 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 55.

The cubic root of 6713671969 is about 1886.4850705104.

The spelling of 6713671969 in words is "six billion, seven hundred thirteen million, six hundred seventy-one thousand, nine hundred sixty-nine".