33481178441 has 2 divisors, whose sum is σ = 33481178442. Its totient is φ = 33481178440.

The previous prime is 33481178431. The next prime is 33481178447. The reversal of 33481178441 is 14487118433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26937015625 + 6544162816 = 164125^2 + 80896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33481178441 is a prime.

It is a super-2 number, since 2×33481178441² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33481178392 and 33481178401.

It is not a weakly prime, because it can be changed into another prime (33481178447) 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 as a sum of consecutive naturals, namely, 16740589220 + 16740589221.

It is an arithmetic number, because the mean of its divisors is an integer number (16740589221).

Almost surely, 2^33481178441 is an apocalyptic number.

It is an amenable number.

33481178441 is a deficient number, since it is larger than the sum of its proper divisors (1).

33481178441 is an equidigital number, since it uses as much as digits as its factorization.

33481178441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 44.

The spelling of 33481178441 in words is "thirty-three billion, four hundred eighty-one million, one hundred seventy-eight thousand, four hundred forty-one".