33413068891 has 2 divisors, whose sum is σ = 33413068892. Its totient is φ = 33413068890.

The previous prime is 33413068853. The next prime is 33413068901. The reversal of 33413068891 is 19886031433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33413068891 - 2¹³ = 33413060699 is a prime.

It is a super-2 number, since 2×33413068891² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33413068841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16706534445 + 16706534446.

It is an arithmetic number, because the mean of its divisors is an integer number (16706534446).

Almost surely, 2^33413068891 is an apocalyptic number.

33413068891 is a deficient number, since it is larger than the sum of its proper divisors (1).

33413068891 is an equidigital number, since it uses as much as digits as its factorization.

33413068891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 33413068891 in words is "thirty-three billion, four hundred thirteen million, sixty-eight thousand, eight hundred ninety-one".