33243134929 has 9 divisors (see below), whose sum is σ = 34081382811. Its totient is φ = 32425033680.

The previous prime is 33243134927. The next prime is 33243134989. The reversal of 33243134929 is 92943134233.

It is a happy number.

The square root of 33243134929 is 182327.

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

It can be written as a sum of positive squares in only one way, i.e., 1601840529 + 31641294400 = 40023^2 + 177880^2 .

It is not a de Polignac number, because 33243134929 - 2¹ = 33243134927 is a prime.

It is a super-2 number, since 2×33243134929² (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 (33243134927) 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, 7473184 + ... + 7477630.

Almost surely, 2^33243134929 is an apocalyptic number.

33243134929 is the 182327-th square number.

33243134929 is the 91164-th centered octagonal number.

It is an amenable number.

33243134929 is a deficient number, since it is larger than the sum of its proper divisors (838247882).

33243134929 is an frugal number, since it uses more digits than its factorization.

33243134929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976 (or 4488 counting only the distinct ones).

The product of its digits is 419904, while the sum is 43.

The spelling of 33243134929 in words is "thirty-three billion, two hundred forty-three million, one hundred thirty-four thousand, nine hundred twenty-nine".