6947122417 has 4 divisors (see below), whose sum is σ = 6962595300. Its totient is φ = 6931649536.

The previous prime is 6947122409. The next prime is 6947122447. The reversal of 6947122417 is 7142217496.

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 5146053696 + 1801068721 = 71736^2 + 42439^2 .

It is a cyclic number.

It is not a de Polignac number, because 6947122417 - 2³ = 6947122409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6947122447) 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 in 3 ways as a sum of consecutive naturals, for example, 7735768 + ... + 7736665.

It is an arithmetic number, because the mean of its divisors is an integer number (1740648825).

Almost surely, 2^6947122417 is an apocalyptic number.

It is an amenable number.

6947122417 is a deficient number, since it is larger than the sum of its proper divisors (15472883).

6947122417 is a wasteful number, since it uses less digits than its factorization.

6947122417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472882.

The product of its digits is 169344, while the sum is 43.

The square root of 6947122417 is about 83349.3996199133. The cubic root of 6947122417 is about 1908.1022804711.

The spelling of 6947122417 in words is "six billion, nine hundred forty-seven million, one hundred twenty-two thousand, four hundred seventeen".