201044402957 has 2 divisors, whose sum is σ = 201044402958. Its totient is φ = 201044402956.

The previous prime is 201044402917. The next prime is 201044403037. The reversal of 201044402957 is 759204440102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181770911716 + 19273491241 = 426346^2 + 138829^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044402957 - 2¹⁶ = 201044337421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201044402957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201044402917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522201478 + 100522201479.

It is an arithmetic number, because the mean of its divisors is an integer number (100522201479).

Almost surely, 2^201044402957 is an apocalyptic number.

It is an amenable number.

201044402957 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044402957 is an equidigital number, since it uses as much as digits as its factorization.

201044402957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 201044402957 in words is "two hundred one billion, forty-four million, four hundred two thousand, nine hundred fifty-seven".