42633356443 has 4 divisors (see below), whose sum is σ = 42643616400. Its totient is φ = 42623096488.

The previous prime is 42633356419. The next prime is 42633356503. The reversal of 42633356443 is 34465333624.

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-42633356443 is a prime.

It is a super-2 number, since 2×42633356443² (a number of 22 digits) contains 22 as substring.

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 42633356443.

It is not an unprimeable number, because it can be changed into a prime (42633356543) 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, 5123743 + ... + 5132056.

It is an arithmetic number, because the mean of its divisors is an integer number (10660904100).

Almost surely, 2^42633356443 is an apocalyptic number.

42633356443 is a deficient number, since it is larger than the sum of its proper divisors (10259957).

42633356443 is a wasteful number, since it uses less digits than its factorization.

42633356443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259956.

The product of its digits is 1866240, while the sum is 43.

The spelling of 42633356443 in words is "forty-two billion, six hundred thirty-three million, three hundred fifty-six thousand, four hundred forty-three".