33425711929 has 9 divisors (see below), whose sum is σ = 34946586703. Its totient is φ = 31968397912.

The previous prime is 33425711923. The next prime is 33425711939. The reversal of 33425711929 is 92911752433.

It is a happy number.

The square root of 33425711929 is 182827.

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., 15996431529 + 17429280400 = 126477^2 + 132020^2 .

It is not a de Polignac number, because 33425711929 - 2²³ = 33417323321 is a prime.

It is a super-2 number, since 2×33425711929² (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 (33425711923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4201047 + ... + 4208995.

Almost surely, 2^33425711929 is an apocalyptic number.

33425711929 is the 182827-th square number.

33425711929 is the 91414-th centered octagonal number.

It is an amenable number.

33425711929 is a deficient number, since it is larger than the sum of its proper divisors (1520874774).

33425711929 is an frugal number, since it uses more digits than its factorization.

33425711929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15944 (or 7972 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The spelling of 33425711929 in words is "thirty-three billion, four hundred twenty-five million, seven hundred eleven thousand, nine hundred twenty-nine".