33145271073 has 6 divisors (see below), whose sum is σ = 47876502674. Its totient is φ = 22096847376.

The previous prime is 33145271041. The next prime is 33145271077. The reversal of 33145271073 is 37017254133.

33145271073 is a `hidden beast` number, since 3 + 314 + 5 + 271 + 0 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22611738384 + 10533532689 = 150372^2 + 102633^2 .

It is not a de Polignac number, because 33145271073 - 2⁵ = 33145271041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33145271077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1841403940 + ... + 1841403957.

Almost surely, 2^33145271073 is an apocalyptic number.

It is an amenable number.

33145271073 is a deficient number, since it is larger than the sum of its proper divisors (14731231601).

33145271073 is a wasteful number, since it uses less digits than its factorization.

33145271073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682807903 (or 3682807900 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 33145271073 in words is "thirty-three billion, one hundred forty-five million, two hundred seventy-one thousand, seventy-three".