33112203149 has 2 divisors, whose sum is σ = 33112203150. Its totient is φ = 33112203148.

The previous prime is 33112203139. The next prime is 33112203193. The reversal of 33112203149 is 94130221133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31859751049 + 1252452100 = 178493^2 + 35390^2 .

It is a cyclic number.

It is not a de Polignac number, because 33112203149 - 2¹² = 33112199053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33112203139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16556101574 + 16556101575.

It is an arithmetic number, because the mean of its divisors is an integer number (16556101575).

Almost surely, 2^33112203149 is an apocalyptic number.

It is an amenable number.

33112203149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33112203149 is an equidigital number, since it uses as much as digits as its factorization.

33112203149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 33112203149 in words is "thirty-three billion, one hundred twelve million, two hundred three thousand, one hundred forty-nine".