33045555091 has 2 divisors, whose sum is σ = 33045555092. Its totient is φ = 33045555090.

The previous prime is 33045555061. The next prime is 33045555113. The reversal of 33045555091 is 19055554033.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33045555091 - 2²³ = 33037166483 is a prime.

It is a super-2 number, since 2×33045555091² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33045555031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16522777545 + 16522777546.

It is an arithmetic number, because the mean of its divisors is an integer number (16522777546).

Almost surely, 2^33045555091 is an apocalyptic number.

33045555091 is a deficient number, since it is larger than the sum of its proper divisors (1).

33045555091 is an equidigital number, since it uses as much as digits as its factorization.

33045555091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 33045555091 in words is "thirty-three billion, forty-five million, five hundred fifty-five thousand, ninety-one".