202143338093 has 2 divisors, whose sum is σ = 202143338094. Its totient is φ = 202143338092.

The previous prime is 202143338087. The next prime is 202143338113. The reversal of 202143338093 is 390833341202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156185411209 + 45957926884 = 395203^2 + 214378^2 .

It is a cyclic number.

It is not a de Polignac number, because 202143338093 - 2⁴ = 202143338077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202143338393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071669046 + 101071669047.

It is an arithmetic number, because the mean of its divisors is an integer number (101071669047).

Almost surely, 2^202143338093 is an apocalyptic number.

It is an amenable number.

202143338093 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143338093 is an equidigital number, since it uses as much as digits as its factorization.

202143338093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 202143338093 its reverse (390833341202), we get a palindrome (592976679295).

The spelling of 202143338093 in words is "two hundred two billion, one hundred forty-three million, three hundred thirty-eight thousand, ninety-three".