33868105897 has 2 divisors, whose sum is σ = 33868105898. Its totient is φ = 33868105896.

The previous prime is 33868105861. The next prime is 33868105963. The reversal of 33868105897 is 79850186833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26576824576 + 7291281321 = 163024^2 + 85389^2 .

It is a cyclic number.

It is not a de Polignac number, because 33868105897 - 2¹⁹ = 33867581609 is a prime.

It is a super-2 number, since 2×33868105897² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33868105597) 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, 16934052948 + 16934052949.

It is an arithmetic number, because the mean of its divisors is an integer number (16934052949).

Almost surely, 2^33868105897 is an apocalyptic number.

It is an amenable number.

33868105897 is a deficient number, since it is larger than the sum of its proper divisors (1).

33868105897 is an equidigital number, since it uses as much as digits as its factorization.

33868105897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 33868105897 in words is "thirty-three billion, eight hundred sixty-eight million, one hundred five thousand, eight hundred ninety-seven".