33986518988 has 12 divisors (see below), whose sum is σ = 60065284272. Its totient is φ = 16825009200.

The previous prime is 33986518987. The next prime is 33986519003. The reversal of 33986518988 is 88981568933.

It is not an unprimeable number, because it can be changed into a prime (33986518987) 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, 42062120 + ... + 42062927.

It is an arithmetic number, because the mean of its divisors is an integer number (5005440356).

Almost surely, 2^33986518988 is an apocalyptic number.

It is an amenable number.

33986518988 is a deficient number, since it is larger than the sum of its proper divisors (26078765284).

33986518988 is a wasteful number, since it uses less digits than its factorization.

33986518988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84125152 (or 84125150 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 68.

It can be divided in two parts, 339865 and 18988, that added together give a palindrome (358853).

The spelling of 33986518988 in words is "thirty-three billion, nine hundred eighty-six million, five hundred eighteen thousand, nine hundred eighty-eight".