42076450873 has 4 divisors (see below), whose sum is σ = 42077412468. Its totient is φ = 42075489280.

The previous prime is 42076450789. The next prime is 42076450903. The reversal of 42076450873 is 37805467024.

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 25053508089 + 17022942784 = 158283^2 + 130472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42076450873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42076450573) 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, 411868 + ... + 503773.

It is an arithmetic number, because the mean of its divisors is an integer number (10519353117).

Almost surely, 2^42076450873 is an apocalyptic number.

It is an amenable number.

42076450873 is a deficient number, since it is larger than the sum of its proper divisors (961595).

42076450873 is an equidigital number, since it uses as much as digits as its factorization.

42076450873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961594.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 42076450873 in words is "forty-two billion, seventy-six million, four hundred fifty thousand, eight hundred seventy-three".