6789972669 has 16 divisors (see below), whose sum is σ = 10002621312. Its totient is φ = 4075140608.

The previous prime is 6789972667. The next prime is 6789972727. The reversal of 6789972669 is 9662799876.

It is a cyclic number.

It is not a de Polignac number, because 6789972669 - 2¹ = 6789972667 is a prime.

It is a super-2 number, since 2×6789972669² = 92207457691533967122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6789972661) 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, 2893104 + ... + 2895449.

It is an arithmetic number, because the mean of its divisors is an integer number (625163832).

Almost surely, 2^6789972669 is an apocalyptic number.

6789972669 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6789972669 is a deficient number, since it is larger than the sum of its proper divisors (3212648643).

6789972669 is a wasteful number, since it uses less digits than its factorization.

6789972669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788596.

The product of its digits is 123451776, while the sum is 69.

The square root of 6789972669 is about 82401.2904571282. The cubic root of 6789972669 is about 1893.6047836976.

The spelling of 6789972669 in words is "six billion, seven hundred eighty-nine million, nine hundred seventy-two thousand, six hundred sixty-nine".