42091883441 has 4 divisors (see below), whose sum is σ = 42219049584. Its totient is φ = 41964717300.

The previous prime is 42091883437. The next prime is 42091883513. The reversal of 42091883441 is 14438819024.

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 not a de Polignac number, because 42091883441 - 2² = 42091883437 is a prime.

It is a super-2 number, since 2×42091883441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42091883392 and 42091883401.

It is not an unprimeable number, because it can be changed into a prime (42091883411) 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, 63582575 + ... + 63583236.

It is an arithmetic number, because the mean of its divisors is an integer number (10554762396).

Almost surely, 2^42091883441 is an apocalyptic number.

It is an amenable number.

42091883441 is a deficient number, since it is larger than the sum of its proper divisors (127166143).

42091883441 is a wasteful number, since it uses less digits than its factorization.

42091883441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127166142.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 42091883441 in words is "forty-two billion, ninety-one million, eight hundred eighty-three thousand, four hundred forty-one".