42767057273 has 4 divisors (see below), whose sum is σ = 42768362340. Its totient is φ = 42765752208.

The previous prime is 42767057251. The next prime is 42767057293. The reversal of 42767057273 is 37275076724.

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 12067461904 + 30699595369 = 109852^2 + 175213^2 .

It is a cyclic number.

It is not a de Polignac number, because 42767057273 - 2¹⁸ = 42766795129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42767057213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602078 + ... + 669351.

It is an arithmetic number, because the mean of its divisors is an integer number (10692090585).

Almost surely, 2^42767057273 is an apocalyptic number.

It is an amenable number.

42767057273 is a deficient number, since it is larger than the sum of its proper divisors (1305067).

42767057273 is a wasteful number, since it uses less digits than its factorization.

42767057273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305066.

The product of its (nonzero) digits is 3457440, while the sum is 50.

The spelling of 42767057273 in words is "forty-two billion, seven hundred sixty-seven million, fifty-seven thousand, two hundred seventy-three".