33297330491 has 2 divisors, whose sum is σ = 33297330492. Its totient is φ = 33297330490.

The previous prime is 33297330481. The next prime is 33297330499. The reversal of 33297330491 is 19403379233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33297330491 - 2²² = 33293136187 is a prime.

It is a super-2 number, since 2×33297330491² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33297330499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16648665245 + 16648665246.

It is an arithmetic number, because the mean of its divisors is an integer number (16648665246).

Almost surely, 2^33297330491 is an apocalyptic number.

33297330491 is a deficient number, since it is larger than the sum of its proper divisors (1).

33297330491 is an equidigital number, since it uses as much as digits as its factorization.

33297330491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 44.

The spelling of 33297330491 in words is "thirty-three billion, two hundred ninety-seven million, three hundred thirty thousand, four hundred ninety-one".