33434111253 has 32 divisors (see below), whose sum is σ = 47884548096. Its totient is φ = 20699477568.

The previous prime is 33434111237. The next prime is 33434111257. The reversal of 33434111253 is 35211143433.

It is a happy number.

It is not a de Polignac number, because 33434111253 - 2⁴ = 33434111237 is a prime.

It is a super-2 number, since 2×33434111253² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33434111253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33434111257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461751 + ... + 529227.

It is an arithmetic number, because the mean of its divisors is an integer number (1496392128).

Almost surely, 2^33434111253 is an apocalyptic number.

It is an amenable number.

33434111253 is a deficient number, since it is larger than the sum of its proper divisors (14450436843).

33434111253 is a wasteful number, since it uses less digits than its factorization.

33434111253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67713.

The product of its digits is 12960, while the sum is 30.

Adding to 33434111253 its reverse (35211143433), we get a palindrome (68645254686).

The spelling of 33434111253 in words is "thirty-three billion, four hundred thirty-four million, one hundred eleven thousand, two hundred fifty-three".