201040091633 has 2 divisors, whose sum is σ = 201040091634. Its totient is φ = 201040091632.

The previous prime is 201040091621. The next prime is 201040091639. The reversal of 201040091633 is 336190040102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187032895729 + 14007195904 = 432473^2 + 118352^2 .

It is a cyclic number.

It is not a de Polignac number, because 201040091633 - 2⁴ = 201040091617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201040091596 and 201040091605.

It is not a weakly prime, because it can be changed into another prime (201040091639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520045816 + 100520045817.

It is an arithmetic number, because the mean of its divisors is an integer number (100520045817).

Almost surely, 2^201040091633 is an apocalyptic number.

It is an amenable number.

201040091633 is a deficient number, since it is larger than the sum of its proper divisors (1).

201040091633 is an equidigital number, since it uses as much as digits as its factorization.

201040091633 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 201040091633 in words is "two hundred one billion, forty million, ninety-one thousand, six hundred thirty-three".