33936966901 has 2 divisors, whose sum is σ = 33936966902. Its totient is φ = 33936966900.

The previous prime is 33936966887. The next prime is 33936966937. The reversal of 33936966901 is 10966963933.

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., 32743264401 + 1193702500 = 180951^2 + 34550^2 .

It is a cyclic number.

It is not a de Polignac number, because 33936966901 - 2⁷ = 33936966773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33936966991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16968483450 + 16968483451.

It is an arithmetic number, because the mean of its divisors is an integer number (16968483451).

Almost surely, 2^33936966901 is an apocalyptic number.

It is an amenable number.

33936966901 is a deficient number, since it is larger than the sum of its proper divisors (1).

33936966901 is an equidigital number, since it uses as much as digits as its factorization.

33936966901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4251528, while the sum is 55.

The spelling of 33936966901 in words is "thirty-three billion, nine hundred thirty-six million, nine hundred sixty-six thousand, nine hundred one".