33004577050021 has 4 divisors (see below), whose sum is σ = 33245486371692. Its totient is φ = 32763667728352.

The previous prime is 33004577050019. The next prime is 33004577050031. The reversal of 33004577050021 is 12005077540033.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22308334848900 + 10696242201121 = 4723170^2 + 3270511^2 .

It is a cyclic number.

It is not a de Polignac number, because 33004577050021 - 2¹ = 33004577050019 is a prime.

It is a super-2 number, since 2×33004577050021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33004577050031) 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, 120454660630 + ... + 120454660903.

It is an arithmetic number, because the mean of its divisors is an integer number (8311371592923).

Almost surely, 2^{33004577050021} is an apocalyptic number.

It is an amenable number.

33004577050021 is a deficient number, since it is larger than the sum of its proper divisors (240909321671).

33004577050021 is a wasteful number, since it uses less digits than its factorization.

33004577050021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240909321670.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 33004577050021 in words is "thirty-three trillion, four billion, five hundred seventy-seven million, fifty thousand, twenty-one".