33195897091 has 16 divisors (see below), whose sum is σ = 38428887040. Its totient is φ = 28085784480.

The previous prime is 33195897067. The next prime is 33195897151. The reversal of 33195897091 is 19079859133.

It is a cyclic number.

It is not a de Polignac number, because 33195897091 - 2⁹ = 33195896579 is a prime.

It is a super-2 number, since 2×33195897091² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33195897001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051001 + ... + 3061861.

It is an arithmetic number, because the mean of its divisors is an integer number (2401805440).

Almost surely, 2^33195897091 is an apocalyptic number.

33195897091 is a deficient number, since it is larger than the sum of its proper divisors (5232989949).

33195897091 is a wasteful number, since it uses less digits than its factorization.

33195897091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16474.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 33195897091 in words is "thirty-three billion, one hundred ninety-five million, eight hundred ninety-seven thousand, ninety-one".