2408863985963 has 4 divisors (see below), whose sum is σ = 2513597202768. Its totient is φ = 2304130769160.

The previous prime is 2408863985953. The next prime is 2408863986043. The reversal of 2408863985963 is 3695893688042.

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 2408863985963 - 2⁴ = 2408863985947 is a prime.

It is a super-2 number, since 2×2408863985963² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2408863985953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52366608368 + ... + 52366608413.

It is an arithmetic number, because the mean of its divisors is an integer number (628399300692).

Almost surely, 2^{2408863985963} is an apocalyptic number.

2408863985963 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2408863985963 is a deficient number, since it is larger than the sum of its proper divisors (104733216805).

2408863985963 is a wasteful number, since it uses less digits than its factorization.

2408863985963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104733216804.

The product of its (nonzero) digits is 537477120, while the sum is 71.

The spelling of 2408863985963 in words is "two trillion, four hundred eight billion, eight hundred sixty-three million, nine hundred eighty-five thousand, nine hundred sixty-three".