42042112333 has 4 divisors (see below), whose sum is σ = 45276120988. Its totient is φ = 38808103680.

The previous prime is 42042112309. The next prime is 42042112379. The reversal of 42042112333 is 33321124024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13679173764 + 28362938569 = 116958^2 + 168413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42042112333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42042112298 and 42042112307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042112393) 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, 1617004308 + ... + 1617004333.

It is an arithmetic number, because the mean of its divisors is an integer number (11319030247).

Almost surely, 2^42042112333 is an apocalyptic number.

It is an amenable number.

42042112333 is a deficient number, since it is larger than the sum of its proper divisors (3234008655).

42042112333 is a wasteful number, since it uses less digits than its factorization.

42042112333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234008654.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42042112333 its reverse (33321124024), we get a palindrome (75363236357).

The spelling of 42042112333 in words is "forty-two billion, forty-two million, one hundred twelve thousand, three hundred thirty-three".