6869799145 has 16 divisors (see below), whose sum is σ = 8998535232. Its totient is φ = 4993248960.

The previous prime is 6869799109. The next prime is 6869799187. The reversal of 6869799145 is 5419979686.

It is not a de Polignac number, because 6869799145 - 2¹⁹ = 6869274857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58519 + ... + 131011.

It is an arithmetic number, because the mean of its divisors is an integer number (562408452).

Almost surely, 2^6869799145 is an apocalyptic number.

It is an amenable number.

6869799145 is a deficient number, since it is larger than the sum of its proper divisors (2128736087).

6869799145 is a wasteful number, since it uses less digits than its factorization.

6869799145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74232.

The product of its digits is 29393280, while the sum is 64.

The square root of 6869799145 is about 82884.2514896527. The cubic root of 6869799145 is about 1900.9966281057.

The spelling of 6869799145 in words is "six billion, eight hundred sixty-nine million, seven hundred ninety-nine thousand, one hundred forty-five".