33199999999 has 6 divisors (see below), whose sum is σ = 35039335560. Its totient is φ = 31452631236.

The previous prime is 33199999969. The next prime is 33200000011. The reversal of 33199999999 is 99999999133.

It is not a de Polignac number, because 33199999999 - 2⁵ = 33199999967 is a prime.

It is a super-2 number, since 2×33199999999² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

33199999999 is a modest number, since divided by 999999 gives 33199 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33199999939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45983019 + ... + 45983740.

It is an arithmetic number, because the mean of its divisors is an integer number (5839889260).

Almost surely, 2^33199999999 is an apocalyptic number.

33199999999 is a deficient number, since it is larger than the sum of its proper divisors (1839335561).

33199999999 is an equidigital number, since it uses as much as digits as its factorization.

33199999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91966797 (or 91966778 counting only the distinct ones).

The product of its digits is 387420489, while the sum is 79.

The spelling of 33199999999 in words is "thirty-three billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".