6904449999 has 6 divisors (see below), whose sum is σ = 9973094456. Its totient is φ = 4602966660.

The previous prime is 6904449943. The next prime is 6904450013. The reversal of 6904449999 is 9999444096.

It is not a de Polignac number, because 6904449999 - 2¹³ = 6904441807 is a prime.

It is a super-2 number, since 2×6904449999² = 95342859577382200002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6904449899) 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 5 ways as a sum of consecutive naturals, for example, 383580547 + ... + 383580564.

Almost surely, 2^6904449999 is an apocalyptic number.

6904449999 is a deficient number, since it is larger than the sum of its proper divisors (3068644457).

6904449999 is a wasteful number, since it uses less digits than its factorization.

6904449999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767161117 (or 767161114 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The square root of 6904449999 is about 83093.0201581336. The cubic root of 6904449999 is about 1904.1874402618.

The spelling of 6904449999 in words is "six billion, nine hundred four million, four hundred forty-nine thousand, nine hundred ninety-nine".