6942247349 has 4 divisors (see below), whose sum is σ = 6972042636. Its totient is φ = 6912452064.

The previous prime is 6942247339. The next prime is 6942247363. The reversal of 6942247349 is 9437422496.

6942247349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3538108324 + 3404139025 = 59482^2 + 58345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6942247349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6942247297 and 6942247306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942247339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14897294 + ... + 14897759.

It is an arithmetic number, because the mean of its divisors is an integer number (1743010659).

Almost surely, 2^6942247349 is an apocalyptic number.

It is an amenable number.

6942247349 is a deficient number, since it is larger than the sum of its proper divisors (29795287).

6942247349 is a wasteful number, since it uses less digits than its factorization.

6942247349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29795286.

The product of its digits is 2612736, while the sum is 50.

The square root of 6942247349 is about 83320.1497178204. The cubic root of 6942247349 is about 1907.6558459836.

The spelling of 6942247349 in words is "six billion, nine hundred forty-two million, two hundred forty-seven thousand, three hundred forty-nine".