6944743642 has 4 divisors (see below), whose sum is σ = 10417115466. Its totient is φ = 3472371820.

The previous prime is 6944743639. The next prime is 6944743649. The reversal of 6944743642 is 2463474496.

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

It can be written as a sum of positive squares in only one way, i.e., 5409749601 + 1534994041 = 73551^2 + 39179^2 .

It is not an unprimeable number, because it can be changed into a prime (6944743649) by changing a digit.

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 as a sum of consecutive naturals, namely, 1736185909 + ... + 1736185912.

Almost surely, 2^6944743642 is an apocalyptic number.

6944743642 is a deficient number, since it is larger than the sum of its proper divisors (3472371824).

6944743642 is a wasteful number, since it uses less digits than its factorization.

6944743642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472371823.

The product of its digits is 3483648, while the sum is 49.

The square root of 6944743642 is about 83335.1284993309. The cubic root of 6944743642 is about 1907.8844701850.

The spelling of 6944743642 in words is "six billion, nine hundred forty-four million, seven hundred forty-three thousand, six hundred forty-two".