499254284885663 has 4 divisors (see below), whose sum is σ = 499254566349840. Its totient is φ = 499254003421488.

The previous prime is 499254284885651. The next prime is 499254284885683. The reversal of 499254284885663 is 366588482452994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499254284885663 - 2⁶ = 499254284885599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499254284885683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138054443 + ... + 141624636.

It is an arithmetic number, because the mean of its divisors is an integer number (124813641587460).

Almost surely, 2^{499254284885663} is an apocalyptic number.

499254284885663 is a deficient number, since it is larger than the sum of its proper divisors (281464177).

499254284885663 is a wasteful number, since it uses less digits than its factorization.

499254284885663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281464176.

The product of its digits is 28665446400, while the sum is 83.

The spelling of 499254284885663 in words is "four hundred ninety-nine trillion, two hundred fifty-four billion, two hundred eighty-four million, eight hundred eighty-five thousand, six hundred sixty-three".