33481243979 has 4 divisors (see below), whose sum is σ = 33605709840. Its totient is φ = 33356778120.

The previous prime is 33481243951. The next prime is 33481243981. The reversal of 33481243979 is 97934218433.

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

It is a cyclic number.

It is not a de Polignac number, because 33481243979 - 2³² = 29186276683 is a prime.

It is a super-2 number, since 2×33481243979² (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 33481243979.

It is not an unprimeable number, because it can be changed into a prime (33481743979) 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, 62232527 + ... + 62233064.

It is an arithmetic number, because the mean of its divisors is an integer number (8401427460).

Almost surely, 2^33481243979 is an apocalyptic number.

33481243979 is a deficient number, since it is larger than the sum of its proper divisors (124465861).

33481243979 is a wasteful number, since it uses less digits than its factorization.

33481243979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124465860.

The product of its digits is 3919104, while the sum is 53.

The spelling of 33481243979 in words is "thirty-three billion, four hundred eighty-one million, two hundred forty-three thousand, nine hundred seventy-nine".