42629288189 has 4 divisors (see below), whose sum is σ = 42633119520. Its totient is φ = 42625456860.

The previous prime is 42629288159. The next prime is 42629288203. The reversal of 42629288189 is 98188292624.

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-42629288189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42629288159) 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, 1898927 + ... + 1921244.

It is an arithmetic number, because the mean of its divisors is an integer number (10658279880).

Almost surely, 2^42629288189 is an apocalyptic number.

It is an amenable number.

42629288189 is a deficient number, since it is larger than the sum of its proper divisors (3831331).

42629288189 is a wasteful number, since it uses less digits than its factorization.

42629288189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831330.

The product of its digits is 7962624, while the sum is 59.

The spelling of 42629288189 in words is "forty-two billion, six hundred twenty-nine million, two hundred eighty-eight thousand, one hundred eighty-nine".