33149964833 has 2 divisors, whose sum is σ = 33149964834. Its totient is φ = 33149964832.

The previous prime is 33149964821. The next prime is 33149964851. The reversal of 33149964833 is 33846994133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32554263184 + 595701649 = 180428^2 + 24407^2 .

It is a cyclic number.

It is not a de Polignac number, because 33149964833 - 2⁴ = 33149964817 is a prime.

It is not a weakly prime, because it can be changed into another prime (33149964433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16574982416 + 16574982417.

It is an arithmetic number, because the mean of its divisors is an integer number (16574982417).

Almost surely, 2^33149964833 is an apocalyptic number.

It is an amenable number.

33149964833 is a deficient number, since it is larger than the sum of its proper divisors (1).

33149964833 is an equidigital number, since it uses as much as digits as its factorization.

33149964833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 53.

The spelling of 33149964833 in words is "thirty-three billion, one hundred forty-nine million, nine hundred sixty-four thousand, eight hundred thirty-three".