42134444093 has 4 divisors (see below), whose sum is σ = 48153650400. Its totient is φ = 36115237788.

The previous prime is 42134444089. The next prime is 42134444113. The reversal of 42134444093 is 39044443124.

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 not a de Polignac number, because 42134444093 - 2² = 42134444089 is a prime.

It is a super-2 number, since 2×42134444093² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134444063) 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, 3009603143 + ... + 3009603156.

It is an arithmetic number, because the mean of its divisors is an integer number (12038412600).

Almost surely, 2^42134444093 is an apocalyptic number.

It is an amenable number.

42134444093 is a deficient number, since it is larger than the sum of its proper divisors (6019206307).

42134444093 is an equidigital number, since it uses as much as digits as its factorization.

42134444093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019206306.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 42134444093 in words is "forty-two billion, one hundred thirty-four million, four hundred forty-four thousand, ninety-three".