33149849 has 2 divisors, whose sum is σ = 33149850. Its totient is φ = 33149848.

The previous prime is 33149833. The next prime is 33149867. The reversal of 33149849 is 94894133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32410249 + 739600 = 5693^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 33149849 - 2⁴ = 33149833 is a prime.

It is not a weakly prime, because it can be changed into another prime (33149869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16574924 + 16574925.

It is an arithmetic number, because the mean of its divisors is an integer number (16574925).

Almost surely, 2^33149849 is an apocalyptic number.

It is an amenable number.

33149849 is a deficient number, since it is larger than the sum of its proper divisors (1).

33149849 is an equidigital number, since it uses as much as digits as its factorization.

33149849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 33149849 is about 5757.5905550847. The cubic root of 33149849 is about 321.2382008011.

The spelling of 33149849 in words is "thirty-three million, one hundred forty-nine thousand, eight hundred forty-nine".