6771969636 has 24 divisors (see below), whose sum is σ = 16099401024. Its totient is φ = 2214732000.

The previous prime is 6771969629. The next prime is 6771969637. The reversal of 6771969636 is 6369691776.

It is a self number, because there is not a number n which added to its sum of digits gives 6771969636.

It is not an unprimeable number, because it can be changed into a prime (6771969637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5323240 + ... + 5324511.

It is an arithmetic number, because the mean of its divisors is an integer number (670808376).

Almost surely, 2^6771969636 is an apocalyptic number.

It is an amenable number.

6771969636 is an abundant number, since it is smaller than the sum of its proper divisors (9327431388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6771969636 is a wasteful number, since it uses less digits than its factorization.

6771969636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647811 (or 10647809 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 60.

The square root of 6771969636 is about 82291.9779565420. The cubic root of 6771969636 is about 1891.9297252451.

The spelling of 6771969636 in words is "six billion, seven hundred seventy-one million, nine hundred sixty-nine thousand, six hundred thirty-six".