6943449942 has 48 divisors (see below), whose sum is σ = 17674242768. Its totient is φ = 1942223040.

The previous prime is 6943449923. The next prime is 6943449949. The reversal of 6943449942 is 2499443496.

It is a happy number.

It is a super-2 number, since 2×6943449942² = 96422994194119606728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6943449949) 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 23 ways as a sum of consecutive naturals, for example, 1346193 + ... + 1351340.

It is an arithmetic number, because the mean of its divisors is an integer number (368213391).

Almost surely, 2^6943449942 is an apocalyptic number.

6943449942 is an abundant number, since it is smaller than the sum of its proper divisors (10730792826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6943449942 is a wasteful number, since it uses less digits than its factorization.

6943449942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697565 (or 2697562 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The square root of 6943449942 is about 83327.3661050198. The cubic root of 6943449942 is about 1907.7659928854.

The spelling of 6943449942 in words is "six billion, nine hundred forty-three million, four hundred forty-nine thousand, nine hundred forty-two".