6969 has 8 divisors (see below), whose sum is σ = 9792. Its totient is φ = 4400.

The previous prime is 6967. The next prime is 6971. The reversal of 6969 is 9696.

6969 is nontrivially palindromic in base 4.

It is an interprime number because it is at equal distance from previous prime (6967) and next prime (6971).

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 6969 - 2¹ = 6967 is a prime.

It is a super-2 number, since 2×6969² = 97133922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

6969 is a strobogrammatic number because it is the same when read upside-down.

6969 is an undulating number in base 10.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6961) 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, 19 + ... + 119.

It is an arithmetic number, because the mean of its divisors is an integer number (1224).

2⁶⁹⁶⁹ is an apocalyptic number.

6969 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6969 is a deficient number, since it is larger than the sum of its proper divisors (2823).

6969 is a wasteful number, since it uses less digits than its factorization.

6969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127.

The product of its digits is 2916, while the sum is 30.

The square root of 6969 is about 83.4805366538. The cubic root of 6969 is about 19.1010315315.

The spelling of 6969 in words is "six thousand, nine hundred sixty-nine".