201134200643 has 2 divisors, whose sum is σ = 201134200644. Its totient is φ = 201134200642.

The previous prime is 201134200609. The next prime is 201134200711. The reversal of 201134200643 is 346002431102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201134200643 - 2²⁰ = 201133152067 is a prime.

It is a super-2 number, since 2×201134200643² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201134200343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100567100321 + 100567100322.

It is an arithmetic number, because the mean of its divisors is an integer number (100567100322).

Almost surely, 2^201134200643 is an apocalyptic number.

201134200643 is a deficient number, since it is larger than the sum of its proper divisors (1).

201134200643 is an equidigital number, since it uses as much as digits as its factorization.

201134200643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 201134200643 its reverse (346002431102), we get a palindrome (547136631745).

The spelling of 201134200643 in words is "two hundred one billion, one hundred thirty-four million, two hundred thousand, six hundred forty-three".