201338963 has 4 divisors (see below), whose sum is σ = 230101680. Its totient is φ = 172576248.

The previous prime is 201338933. The next prime is 201338971. The reversal of 201338963 is 369833102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369833102 = 2 ⋅184916551.

It is a cyclic number.

It is not a de Polignac number, because 201338963 - 2²⁴ = 184561747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201338903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14381348 + ... + 14381361.

It is an arithmetic number, because the mean of its divisors is an integer number (57525420).

Almost surely, 2^201338963 is an apocalyptic number.

201338963 is a deficient number, since it is larger than the sum of its proper divisors (28762717).

201338963 is an equidigital number, since it uses as much as digits as its factorization.

201338963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28762716.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 201338963 is about 14189.3961464186. The cubic root of 201338963 is about 586.1056965902.

The spelling of 201338963 in words is "two hundred one million, three hundred thirty-eight thousand, nine hundred sixty-three".