33481659473 has 2 divisors, whose sum is σ = 33481659474. Its totient is φ = 33481659472.

The previous prime is 33481659467. The next prime is 33481659517. The reversal of 33481659473 is 37495618433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27831581584 + 5650077889 = 166828^2 + 75167^2 .

It is a cyclic number.

It is not a de Polignac number, because 33481659473 - 2¹² = 33481655377 is a prime.

It is a super-2 number, since 2×33481659473² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33481659173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16740829736 + 16740829737.

It is an arithmetic number, because the mean of its divisors is an integer number (16740829737).

Almost surely, 2^33481659473 is an apocalyptic number.

It is an amenable number.

33481659473 is a deficient number, since it is larger than the sum of its proper divisors (1).

33481659473 is an equidigital number, since it uses as much as digits as its factorization.

33481659473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 53.

The spelling of 33481659473 in words is "thirty-three billion, four hundred eighty-one million, six hundred fifty-nine thousand, four hundred seventy-three".