33442142013 has 24 divisors (see below), whose sum is σ = 55226662400. Its totient is φ = 19102669344.

The previous prime is 33442142009. The next prime is 33442142033. The reversal of 33442142013 is 31024124433.

33442142013 is a `hidden beast` number, since 3 + 3 + 442 + 14 + 201 + 3 = 666.

It is not a de Polignac number, because 33442142013 - 2² = 33442142009 is a prime.

It is a super-2 number, since 2×33442142013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33442142033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73683 + ... + 268911.

Almost surely, 2^33442142013 is an apocalyptic number.

It is an amenable number.

33442142013 is a deficient number, since it is larger than the sum of its proper divisors (21784520387).

33442142013 is a wasteful number, since it uses less digits than its factorization.

33442142013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197961 (or 197958 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 33442142013 its reverse (31024124433), we get a palindrome (64466266446).

The spelling of 33442142013 in words is "thirty-three billion, four hundred forty-two million, one hundred forty-two thousand, thirteen".