201332999957 has 2 divisors, whose sum is σ = 201332999958. Its totient is φ = 201332999956.

The previous prime is 201332999953. The next prime is 201333000007. The reversal of 201332999957 is 759999233102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139165556401 + 62167443556 = 373049^2 + 249334^2 .

It is a cyclic number.

It is not a de Polignac number, because 201332999957 - 2² = 201332999953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201332999896 and 201332999905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201332999951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100666499978 + 100666499979.

It is an arithmetic number, because the mean of its divisors is an integer number (100666499979).

Almost surely, 2^201332999957 is an apocalyptic number.

It is an amenable number.

201332999957 is a deficient number, since it is larger than the sum of its proper divisors (1).

201332999957 is an equidigital number, since it uses as much as digits as its factorization.

201332999957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8266860, while the sum is 59.

The spelling of 201332999957 in words is "two hundred one billion, three hundred thirty-two million, nine hundred ninety-nine thousand, nine hundred fifty-seven".