2468978865 has 24 divisors (see below), whose sum is σ = 4281301440. Its totient is φ = 1316253984.

The previous prime is 2468978851. The next prime is 2468978891. The reversal of 2468978865 is 5688798642.

2468978865 is a `hidden beast` number, since 2 + 468 + 97 + 8 + 86 + 5 = 666.

It is not a de Polignac number, because 2468978865 - 2⁷ = 2468978737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117124 + ... + 136586.

It is an arithmetic number, because the mean of its divisors is an integer number (178387560).

Almost surely, 2^2468978865 is an apocalyptic number.

It is an amenable number.

2468978865 is a deficient number, since it is larger than the sum of its proper divisors (1812322575).

2468978865 is a wasteful number, since it uses less digits than its factorization.

2468978865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22293 (or 22290 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The square root of 2468978865 is about 49688.8203220805. The cubic root of 2468978865 is about 1351.5718070924.

The spelling of 2468978865 in words is "two billion, four hundred sixty-eight million, nine hundred seventy-eight thousand, eight hundred sixty-five".