2135361563 has 2 divisors, whose sum is σ = 2135361564. Its totient is φ = 2135361562.

The previous prime is 2135361559. The next prime is 2135361577. The reversal of 2135361563 is 3651635312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2135361563 - 2² = 2135361559 is a prime.

It is not a weakly prime, because it can be changed into another prime (2135361523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067680781 + 1067680782.

It is an arithmetic number, because the mean of its divisors is an integer number (1067680782).

Almost surely, 2^2135361563 is an apocalyptic number.

2135361563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135361563 is an equidigital number, since it uses as much as digits as its factorization.

2135361563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 35.

The square root of 2135361563 is about 46209.9725492236. The cubic root of 2135361563 is about 1287.7270157147.

Adding to 2135361563 its reverse (3651635312), we get a palindrome (5786996875).

The spelling of 2135361563 in words is "two billion, one hundred thirty-five million, three hundred sixty-one thousand, five hundred sixty-three".