42433109999 has 4 divisors (see below), whose sum is σ = 48494982864. Its totient is φ = 36371237136.

The previous prime is 42433109989. The next prime is 42433110011. The reversal of 42433109999 is 99990133424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42433109999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42433109999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42433109989) 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, 3030936422 + ... + 3030936435.

It is an arithmetic number, because the mean of its divisors is an integer number (12123745716).

Almost surely, 2^42433109999 is an apocalyptic number.

42433109999 is a deficient number, since it is larger than the sum of its proper divisors (6061872865).

42433109999 is an equidigital number, since it uses as much as digits as its factorization.

42433109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061872864.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 42433109999 in words is "forty-two billion, four hundred thirty-three million, one hundred nine thousand, nine hundred ninety-nine".