33541112009 has 2 divisors, whose sum is σ = 33541112010. Its totient is φ = 33541112008.

The previous prime is 33541111999. The next prime is 33541112051. The reversal of 33541112009 is 90021114533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22845415609 + 10695696400 = 151147^2 + 103420^2 .

It is a cyclic number.

It is not a de Polignac number, because 33541112009 - 2⁴ = 33541111993 is a prime.

It is a super-2 number, since 2×33541112009² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33541112089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16770556004 + 16770556005.

It is an arithmetic number, because the mean of its divisors is an integer number (16770556005).

Almost surely, 2^33541112009 is an apocalyptic number.

It is an amenable number.

33541112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

33541112009 is an equidigital number, since it uses as much as digits as its factorization.

33541112009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 33541112009 in words is "thirty-three billion, five hundred forty-one million, one hundred twelve thousand, nine".