2563635430229 has 2 divisors, whose sum is σ = 2563635430230. Its totient is φ = 2563635430228.

The previous prime is 2563635430151. The next prime is 2563635430319. The reversal of 2563635430229 is 9220345363652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1709877910129 + 853757520100 = 1307623^2 + 923990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2563635430229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2563635430729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281817715114 + 1281817715115.

It is an arithmetic number, because the mean of its divisors is an integer number (1281817715115).

Almost surely, 2^{2563635430229} is an apocalyptic number.

It is an amenable number.

2563635430229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563635430229 is an equidigital number, since it uses as much as digits as its factorization.

2563635430229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 50.

The spelling of 2563635430229 in words is "two trillion, five hundred sixty-three billion, six hundred thirty-five million, four hundred thirty thousand, two hundred twenty-nine".