4868446864861 has 4 divisors (see below), whose sum is σ = 5124680910400. Its totient is φ = 4612212819324.

The previous prime is 4868446864859. The next prime is 4868446864873. The reversal of 4868446864861 is 1684686448684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4868446864861 - 2¹ = 4868446864859 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 (4868446864811) 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, 128117022741 + ... + 128117022778.

It is an arithmetic number, because the mean of its divisors is an integer number (1281170227600).

Almost surely, 2^{4868446864861} is an apocalyptic number.

It is an amenable number.

4868446864861 is a deficient number, since it is larger than the sum of its proper divisors (256234045539).

4868446864861 is a wasteful number, since it uses less digits than its factorization.

4868446864861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256234045538.

The product of its digits is 1358954496, while the sum is 73.

The spelling of 4868446864861 in words is "four trillion, eight hundred sixty-eight billion, four hundred forty-six million, eight hundred sixty-four thousand, eight hundred sixty-one".