6945350393 has 4 divisors (see below), whose sum is σ = 6965366160. Its totient is φ = 6925334628.

The previous prime is 6945350371. The next prime is 6945350413. The reversal of 6945350393 is 3930535496.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6945350393 - 2²⁰ = 6944301817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6945350353) 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, 10007363 + ... + 10008056.

It is an arithmetic number, because the mean of its divisors is an integer number (1741341540).

Almost surely, 2^6945350393 is an apocalyptic number.

It is an amenable number.

6945350393 is a deficient number, since it is larger than the sum of its proper divisors (20015767).

6945350393 is a wasteful number, since it uses less digits than its factorization.

6945350393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20015766.

The product of its (nonzero) digits is 1312200, while the sum is 47.

The square root of 6945350393 is about 83338.7688473978. The cubic root of 6945350393 is about 1907.9400314919.

The spelling of 6945350393 in words is "six billion, nine hundred forty-five million, three hundred fifty thousand, three hundred ninety-three".