42273132347 has 4 divisors (see below), whose sum is σ = 42274702176. Its totient is φ = 42271562520.

The previous prime is 42273132337. The next prime is 42273132353. The reversal of 42273132347 is 74323137224.

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 42273132347 - 2⁶ = 42273132283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42273132347.

It is not an unprimeable number, because it can be changed into a prime (42273132337) 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 3 ways as a sum of consecutive naturals, for example, 743804 + ... + 798617.

It is an arithmetic number, because the mean of its divisors is an integer number (10568675544).

Almost surely, 2^42273132347 is an apocalyptic number.

42273132347 is a deficient number, since it is larger than the sum of its proper divisors (1569829).

42273132347 is a wasteful number, since it uses less digits than its factorization.

42273132347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569828.

The product of its digits is 169344, while the sum is 38.

The spelling of 42273132347 in words is "forty-two billion, two hundred seventy-three million, one hundred thirty-two thousand, three hundred forty-seven".