33197273473 has 12 divisors (see below), whose sum is σ = 41587793940. Its totient is φ = 26265974112.

The previous prime is 33197273471. The next prime is 33197273479. The reversal of 33197273473 is 37437279133.

It can be written as a sum of positive squares in 2 ways, for example, as 8542935184 + 24654338289 = 92428^2 + 157017^2 .

It is not a de Polignac number, because 33197273473 - 2¹ = 33197273471 is a prime.

It is a super-2 number, since 2×33197273473² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (33197273471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26056878 + ... + 26058151.

It is an arithmetic number, because the mean of its divisors is an integer number (3465649495).

Almost surely, 2^33197273473 is an apocalyptic number.

It is an amenable number.

33197273473 is a deficient number, since it is larger than the sum of its proper divisors (8390520467).

33197273473 is a wasteful number, since it uses less digits than its factorization.

33197273473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52115056 (or 52115049 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 49.

The spelling of 33197273473 in words is "thirty-three billion, one hundred ninety-seven million, two hundred seventy-three thousand, four hundred seventy-three".