8142535663 has 2 divisors, whose sum is σ = 8142535664. Its totient is φ = 8142535662.

The previous prime is 8142535657. The next prime is 8142535763. The reversal of 8142535663 is 3665352418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8142535663 - 2²⁹ = 7605664751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8142535613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4071267831 + 4071267832.

It is an arithmetic number, because the mean of its divisors is an integer number (4071267832).

Almost surely, 2^8142535663 is an apocalyptic number.

8142535663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8142535663 is an equidigital number, since it uses as much as digits as its factorization.

8142535663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 43.

The square root of 8142535663 is about 90235.9998171461. Note that the first 3 decimals coincide. The cubic root of 8142535663 is about 2011.8081188788.

The spelling of 8142535663 in words is "eight billion, one hundred forty-two million, five hundred thirty-five thousand, six hundred sixty-three".