33630660505 has 16 divisors (see below), whose sum is σ = 44197796160. Its totient is φ = 24414015168.

The previous prime is 33630660491. The next prime is 33630660517. The reversal of 33630660505 is 50506603633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33630660505 is a prime.

It is a super-2 number, since 2×33630660505² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4380867 + ... + 4388536.

It is an arithmetic number, because the mean of its divisors is an integer number (2762362260).

Almost surely, 2^33630660505 is an apocalyptic number.

It is an amenable number.

33630660505 is a deficient number, since it is larger than the sum of its proper divisors (10567135655).

33630660505 is a wasteful number, since it uses less digits than its factorization.

33630660505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769480.

The product of its (nonzero) digits is 145800, while the sum is 37.

The spelling of 33630660505 in words is "thirty-three billion, six hundred thirty million, six hundred sixty thousand, five hundred five".