42803773038161 has 4 divisors (see below), whose sum is σ = 43406643081024. Its totient is φ = 42200902995300.

The previous prime is 42803773038149. The next prime is 42803773038241. The reversal of 42803773038161 is 16183037730824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42803773038161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42803773038121) 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, 301435021325 + ... + 301435021466.

It is an arithmetic number, because the mean of its divisors is an integer number (10851660770256).

Almost surely, 2^{42803773038161} is an apocalyptic number.

It is an amenable number.

42803773038161 is a deficient number, since it is larger than the sum of its proper divisors (602870042863).

42803773038161 is an equidigital number, since it uses as much as digits as its factorization.

42803773038161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602870042862.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 42803773038161 in words is "forty-two trillion, eight hundred three billion, seven hundred seventy-three million, thirty-eight thousand, one hundred sixty-one".