33245241021 has 16 divisors (see below), whose sum is σ = 52149398400. Its totient is φ = 20859758784.

The previous prime is 33245240989. The next prime is 33245241031. The reversal of 33245241021 is 12014254233.

33245241021 is a `hidden beast` number, since 3 + 3 + 245 + 2 + 410 + 2 + 1 = 666.

It is not a de Polignac number, because 33245241021 - 2⁵ = 33245240989 is a prime.

It is a super-2 number, since 2×33245241021² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33245241031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36214401 + ... + 36215318.

It is an arithmetic number, because the mean of its divisors is an integer number (3259337400).

Almost surely, 2^33245241021 is an apocalyptic number.

It is an amenable number.

33245241021 is a deficient number, since it is larger than the sum of its proper divisors (18904157379).

33245241021 is a wasteful number, since it uses less digits than its factorization.

33245241021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72429745 (or 72429739 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 33245241021 its reverse (12014254233), we get a palindrome (45259495254).

The spelling of 33245241021 in words is "thirty-three billion, two hundred forty-five million, two hundred forty-one thousand, twenty-one".