201601499933 has 2 divisors, whose sum is σ = 201601499934. Its totient is φ = 201601499932.

The previous prime is 201601499909. The next prime is 201601499951. The reversal of 201601499933 is 339994106102.

It is a happy number.

201601499933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164075223844 + 37526276089 = 405062^2 + 193717^2 .

It is a cyclic number.

It is not a de Polignac number, because 201601499933 - 2²⁰ = 201600451357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201601499233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100800749966 + 100800749967.

It is an arithmetic number, because the mean of its divisors is an integer number (100800749967).

Almost surely, 2^201601499933 is an apocalyptic number.

It is an amenable number.

201601499933 is a deficient number, since it is larger than the sum of its proper divisors (1).

201601499933 is an equidigital number, since it uses as much as digits as its factorization.

201601499933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 201601499933 in words is "two hundred one billion, six hundred one million, four hundred ninety-nine thousand, nine hundred thirty-three".