42918352933 has 4 divisors (see below), whose sum is σ = 43916454208. Its totient is φ = 41920251660.

The previous prime is 42918352927. The next prime is 42918352951. The reversal of 42918352933 is 33925381924.

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-42918352933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42918352903) 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, 499050573 + ... + 499050658.

It is an arithmetic number, because the mean of its divisors is an integer number (10979113552).

Almost surely, 2^42918352933 is an apocalyptic number.

42918352933 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42918352933 is a deficient number, since it is larger than the sum of its proper divisors (998101275).

42918352933 is an equidigital number, since it uses as much as digits as its factorization.

42918352933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998101274.

The product of its digits is 1399680, while the sum is 49.

The spelling of 42918352933 in words is "forty-two billion, nine hundred eighteen million, three hundred fifty-two thousand, nine hundred thirty-three".