33243099971 has 2 divisors, whose sum is σ = 33243099972. Its totient is φ = 33243099970.

The previous prime is 33243099949. The next prime is 33243100013. The reversal of 33243099971 is 17999034233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33243099971 - 2¹⁸ = 33242837827 is a prime.

It is a super-2 number, since 2×33243099971² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33243090971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621549985 + 16621549986.

It is an arithmetic number, because the mean of its divisors is an integer number (16621549986).

Almost surely, 2^33243099971 is an apocalyptic number.

33243099971 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243099971 is an equidigital number, since it uses as much as digits as its factorization.

33243099971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The spelling of 33243099971 in words is "thirty-three billion, two hundred forty-three million, ninety-nine thousand, nine hundred seventy-one".