33312016939 has 2 divisors, whose sum is σ = 33312016940. Its totient is φ = 33312016938.

The previous prime is 33312016937. The next prime is 33312016973. The reversal of 33312016939 is 93961021333.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33312016939 - 2¹ = 33312016937 is a prime.

It is a super-2 number, since 2×33312016939² (a number of 22 digits) contains 22 as substring.

Together with 33312016937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33312016937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16656008469 + 16656008470.

It is an arithmetic number, because the mean of its divisors is an integer number (16656008470).

Almost surely, 2^33312016939 is an apocalyptic number.

33312016939 is a deficient number, since it is larger than the sum of its proper divisors (1).

33312016939 is an equidigital number, since it uses as much as digits as its factorization.

33312016939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 40.

The spelling of 33312016939 in words is "thirty-three billion, three hundred twelve million, sixteen thousand, nine hundred thirty-nine".