6423375447 has 6 divisors (see below), whose sum is σ = 9278208992. Its totient is φ = 4282250292.

The previous prime is 6423375401. The next prime is 6423375449. The reversal of 6423375447 is 7445733246.

It is not a de Polignac number, because 6423375447 - 2⁸ = 6423375191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423375449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356854183 + ... + 356854200.

Almost surely, 2^6423375447 is an apocalyptic number.

6423375447 is a deficient number, since it is larger than the sum of its proper divisors (2854833545).

6423375447 is a wasteful number, since it uses less digits than its factorization.

6423375447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713708389 (or 713708386 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 45.

The square root of 6423375447 is about 80145.9633855630. The cubic root of 6423375447 is about 1858.8931873304.

The spelling of 6423375447 in words is "six billion, four hundred twenty-three million, three hundred seventy-five thousand, four hundred forty-seven".