6869799999 has 16 divisors (see below), whose sum is σ = 10713139200. Its totient is φ = 4338820728.

The previous prime is 6869799997. The next prime is 6869800001. The reversal of 6869799999 is 9999979686.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6869799997) and next prime (6869800001).

It is not a de Polignac number, because 6869799999 - 2¹ = 6869799997 is a prime.

6869799999 is a modest number, since divided by 99999 gives 68697 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6869799991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6695199 + ... + 6696224.

It is an arithmetic number, because the mean of its divisors is an integer number (669571200).

Almost surely, 2^6869799999 is an apocalyptic number.

6869799999 is a deficient number, since it is larger than the sum of its proper divisors (3843339201).

6869799999 is a wasteful number, since it uses less digits than its factorization.

6869799999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13391451 (or 13391445 counting only the distinct ones).

The product of its digits is 1071385056, while the sum is 81.

The square root of 6869799999 is about 82884.2566414153. The cubic root of 6869799999 is about 1900.9967068781.

The spelling of 6869799999 in words is "six billion, eight hundred sixty-nine million, seven hundred ninety-nine thousand, nine hundred ninety-nine".