33297838897 has 2 divisors, whose sum is σ = 33297838898. Its totient is φ = 33297838896.

The previous prime is 33297838877. The next prime is 33297838997. The reversal of 33297838897 is 79883879233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21269013921 + 12028824976 = 145839^2 + 109676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33297838897 is a prime.

It is a super-2 number, since 2×33297838897² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33297838837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16648919448 + 16648919449.

It is an arithmetic number, because the mean of its divisors is an integer number (16648919449).

Almost surely, 2^33297838897 is an apocalyptic number.

It is an amenable number.

33297838897 is a deficient number, since it is larger than the sum of its proper divisors (1).

33297838897 is an equidigital number, since it uses as much as digits as its factorization.

33297838897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109734912, while the sum is 67.

The spelling of 33297838897 in words is "thirty-three billion, two hundred ninety-seven million, eight hundred thirty-eight thousand, eight hundred ninety-seven".