42273412667 has 4 divisors (see below), whose sum is σ = 42297123600. Its totient is φ = 42249701736.

The previous prime is 42273412639. The next prime is 42273412673. The reversal of 42273412667 is 76621437224.

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

It is a cyclic number.

It is not a de Polignac number, because 42273412667 - 2¹⁸ = 42273150523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42273412697) 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, 11852792 + ... + 11856357.

It is an arithmetic number, because the mean of its divisors is an integer number (10574280900).

Almost surely, 2^42273412667 is an apocalyptic number.

42273412667 is a deficient number, since it is larger than the sum of its proper divisors (23710933).

42273412667 is a wasteful number, since it uses less digits than its factorization.

42273412667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23710932.

The product of its digits is 677376, while the sum is 44.

The spelling of 42273412667 in words is "forty-two billion, two hundred seventy-three million, four hundred twelve thousand, six hundred sixty-seven".