33218868042436 has 6 divisors (see below), whose sum is σ = 58133019074270. Its totient is φ = 16609434021216.

The previous prime is 33218868042401. The next prime is 33218868042533. The reversal of 33218868042436 is 63424086881233.

It can be written as a sum of positive squares in only one way, i.e., 28840336902400 + 4378531140036 = 5370320^2 + 2092494^2 .

It is a super-3 number, since 3×33218868042436³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4152358505301 + ... + 4152358505308.

Almost surely, 2^{33218868042436} is an apocalyptic number.

It is an amenable number.

33218868042436 is a deficient number, since it is larger than the sum of its proper divisors (24914151031834).

33218868042436 is a wasteful number, since it uses less digits than its factorization.

33218868042436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304717010613 (or 8304717010611 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 58.

The spelling of 33218868042436 in words is "thirty-three trillion, two hundred eighteen billion, eight hundred sixty-eight million, forty-two thousand, four hundred thirty-six".