33636320364121 has 4 divisors (see below), whose sum is σ = 34721362956544. Its totient is φ = 32551277771700.

The previous prime is 33636320364103. The next prime is 33636320364149. The reversal of 33636320364121 is 12146302363633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33636320364121 - 2¹⁵ = 33636320331353 is a prime.

It is a super-2 number, since 2×33636320364121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33636320394121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542521296165 + ... + 542521296226.

It is an arithmetic number, because the mean of its divisors is an integer number (8680340739136).

Almost surely, 2^{33636320364121} is an apocalyptic number.

33636320364121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33636320364121 is a deficient number, since it is larger than the sum of its proper divisors (1085042592423).

33636320364121 is a wasteful number, since it uses less digits than its factorization.

33636320364121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085042592422.

The product of its (nonzero) digits is 839808, while the sum is 43.

The spelling of 33636320364121 in words is "thirty-three trillion, six hundred thirty-six billion, three hundred twenty million, three hundred sixty-four thousand, one hundred twenty-one".