33216812051 has 2 divisors, whose sum is σ = 33216812052. Its totient is φ = 33216812050.

The previous prime is 33216812047. The next prime is 33216812071. The reversal of 33216812051 is 15021861233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33216812051 - 2² = 33216812047 is a prime.

It is a super-2 number, since 2×33216812051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33216811999 and 33216812017.

It is not a weakly prime, because it can be changed into another prime (33216812071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16608406025 + 16608406026.

It is an arithmetic number, because the mean of its divisors is an integer number (16608406026).

Almost surely, 2^33216812051 is an apocalyptic number.

33216812051 is a deficient number, since it is larger than the sum of its proper divisors (1).

33216812051 is an equidigital number, since it uses as much as digits as its factorization.

33216812051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 33216812051 in words is "thirty-three billion, two hundred sixteen million, eight hundred twelve thousand, fifty-one".