33481241917 has 2 divisors, whose sum is σ = 33481241918. Its totient is φ = 33481241916.

The previous prime is 33481241909. The next prime is 33481241999. The reversal of 33481241917 is 71914218433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27084601476 + 6396640441 = 164574^2 + 79979^2 .

It is a cyclic number.

It is not a de Polignac number, because 33481241917 - 2³ = 33481241909 is a prime.

It is a super-2 number, since 2×33481241917² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33481041917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16740620958 + 16740620959.

It is an arithmetic number, because the mean of its divisors is an integer number (16740620959).

Almost surely, 2^33481241917 is an apocalyptic number.

It is an amenable number.

33481241917 is a deficient number, since it is larger than the sum of its proper divisors (1).

33481241917 is an equidigital number, since it uses as much as digits as its factorization.

33481241917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The spelling of 33481241917 in words is "thirty-three billion, four hundred eighty-one million, two hundred forty-one thousand, nine hundred seventeen".