2587123663 has 2 divisors, whose sum is σ = 2587123664. Its totient is φ = 2587123662.

The previous prime is 2587123639. The next prime is 2587123667. The reversal of 2587123663 is 3663217852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2587123663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2587123667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293561831 + 1293561832.

It is an arithmetic number, because the mean of its divisors is an integer number (1293561832).

Almost surely, 2^2587123663 is an apocalyptic number.

2587123663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2587123663 is an equidigital number, since it uses as much as digits as its factorization.

2587123663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 2587123663 is about 50863.7755480263. The cubic root of 2587123663 is about 1372.7951286313.

The spelling of 2587123663 in words is "two billion, five hundred eighty-seven million, one hundred twenty-three thousand, six hundred sixty-three".