33481241918 has 4 divisors (see below), whose sum is σ = 50221862880. Its totient is φ = 16740620958.

The previous prime is 33481241917. The next prime is 33481241999. The reversal of 33481241918 is 81914218433.

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

It is a super-2 number, since 2×33481241918² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33481241917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8370310478 + ... + 8370310481.

It is an arithmetic number, because the mean of its divisors is an integer number (12555465720).

Almost surely, 2^33481241918 is an apocalyptic number.

33481241918 is a deficient number, since it is larger than the sum of its proper divisors (16740620962).

33481241918 is a wasteful number, since it uses less digits than its factorization.

33481241918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16740620961.

The product of its digits is 165888, while the sum is 44.

The spelling of 33481241918 in words is "thirty-three billion, four hundred eighty-one million, two hundred forty-one thousand, nine hundred eighteen".