42082773545 has 4 divisors (see below), whose sum is σ = 50499328260. Its totient is φ = 33666218832.

The previous prime is 42082773533. The next prime is 42082773553. The reversal of 42082773545 is 54537728024.

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 8980973824 + 33101799721 = 94768^2 + 181939^2 .

It is a cyclic number.

It is not a de Polignac number, because 42082773545 - 2⁴ = 42082773529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42082773545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208277350 + ... + 4208277359.

It is an arithmetic number, because the mean of its divisors is an integer number (12624832065).

Almost surely, 2^42082773545 is an apocalyptic number.

It is an amenable number.

42082773545 is a deficient number, since it is larger than the sum of its proper divisors (8416554715).

42082773545 is an equidigital number, since it uses as much as digits as its factorization.

42082773545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416554714.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 42082773545 in words is "forty-two billion, eighty-two million, seven hundred seventy-three thousand, five hundred forty-five".