204142352357 has 2 divisors, whose sum is σ = 204142352358. Its totient is φ = 204142352356.

The previous prime is 204142352303. The next prime is 204142352383. The reversal of 204142352357 is 753253241402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198674341441 + 5468010916 = 445729^2 + 73946^2 .

It is a cyclic number.

It is not a de Polignac number, because 204142352357 - 2¹⁸ = 204142090213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204142352357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204142552357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102071176178 + 102071176179.

It is an arithmetic number, because the mean of its divisors is an integer number (102071176179).

Almost surely, 2^204142352357 is an apocalyptic number.

It is an amenable number.

204142352357 is a deficient number, since it is larger than the sum of its proper divisors (1).

204142352357 is an equidigital number, since it uses as much as digits as its factorization.

204142352357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 204142352357 its reverse (753253241402), we get a palindrome (957395593759).

The spelling of 204142352357 in words is "two hundred four billion, one hundred forty-two million, three hundred fifty-two thousand, three hundred fifty-seven".