33573297213 has 24 divisors (see below), whose sum is σ = 49173284160. Its totient is φ = 22069212480.

The previous prime is 33573297157. The next prime is 33573297227. The reversal of 33573297213 is 31279237533.

33573297213 is a `hidden beast` number, since 3 + 3 + 573 + 2 + 9 + 72 + 1 + 3 = 666.

It is not a de Polignac number, because 33573297213 - 2¹⁰ = 33573296189 is a prime.

It is a super-2 number, since 2×33573297213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33573297253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3629248 + ... + 3638486.

It is an arithmetic number, because the mean of its divisors is an integer number (2048886840).

Almost surely, 2^33573297213 is an apocalyptic number.

It is an amenable number.

33573297213 is a deficient number, since it is larger than the sum of its proper divisors (15599986947).

33573297213 is a wasteful number, since it uses less digits than its factorization.

33573297213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14849 (or 14846 counting only the distinct ones).

The product of its digits is 714420, while the sum is 45.

The spelling of 33573297213 in words is "thirty-three billion, five hundred seventy-three million, two hundred ninety-seven thousand, two hundred thirteen".