42905630189003 has 4 divisors (see below), whose sum is σ = 42934561835928. Its totient is φ = 42876698542080.

The previous prime is 42905630188991. The next prime is 42905630189027. The reversal of 42905630189003 is 30098103650924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42905630189003 - 2²⁶ = 42905563080139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42905630189083) 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, 14465821238 + ... + 14465824203.

It is an arithmetic number, because the mean of its divisors is an integer number (10733640458982).

Almost surely, 2^{42905630189003} is an apocalyptic number.

42905630189003 is a deficient number, since it is larger than the sum of its proper divisors (28931646925).

42905630189003 is a wasteful number, since it uses less digits than its factorization.

42905630189003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28931646924.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 42905630189003 in words is "forty-two trillion, nine hundred five billion, six hundred thirty million, one hundred eighty-nine thousand, three".