33354812689 has 9 divisors (see below), whose sum is σ = 36664936329. Its totient is φ = 30320730660.

The previous prime is 33354812671. The next prime is 33354812693. The reversal of 33354812689 is 98621845333.

The square root of 33354812689 is 182633.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 33354812689 - 2¹⁷ = 33354681617 is a prime.

It is a super-2 number, since 2×33354812689² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33354812609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2000662 + ... + 2017264.

Almost surely, 2^33354812689 is an apocalyptic number.

33354812689 is the 182633-rd square number.

33354812689 is the 91317-th centered octagonal number.

It is an amenable number.

33354812689 is a deficient number, since it is larger than the sum of its proper divisors (3310123640).

33354812689 is an frugal number, since it uses more digits than its factorization.

33354812689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33228 (or 16614 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 33354812689 in words is "thirty-three billion, three hundred fifty-four million, eight hundred twelve thousand, six hundred eighty-nine".