33216000427 has 4 divisors (see below), whose sum is σ = 33221742016. Its totient is φ = 33210258840.

The previous prime is 33216000407. The next prime is 33216000439. The reversal of 33216000427 is 72400061233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72400061233 = 13619 ⋅5316107.

It is a cyclic number.

It is not a de Polignac number, because 33216000427 - 2¹⁹ = 33215476139 is a prime.

It is a super-2 number, since 2×33216000427² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33216000395 and 33216000404.

It is not an unprimeable number, because it can be changed into a prime (33216000407) 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, 2862108 + ... + 2873689.

It is an arithmetic number, because the mean of its divisors is an integer number (8305435504).

Almost surely, 2^33216000427 is an apocalyptic number.

33216000427 is a deficient number, since it is larger than the sum of its proper divisors (5741589).

33216000427 is an equidigital number, since it uses as much as digits as its factorization.

33216000427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741588.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 33216000427 in words is "thirty-three billion, two hundred sixteen million, four hundred twenty-seven", and thus it is an aban number.