2864735262861 has 8 divisors (see below), whose sum is σ = 3942861437184. Its totient is φ = 1848216298560.

The previous prime is 2864735262859. The next prime is 2864735262871. The reversal of 2864735262861 is 1682625374682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2864735262861 - 2¹ = 2864735262859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2864735262795 and 2864735262804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864735262811) 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 7 ways as a sum of consecutive naturals, for example, 15401802396 + ... + 15401802581.

It is an arithmetic number, because the mean of its divisors is an integer number (492857679648).

Almost surely, 2^{2864735262861} is an apocalyptic number.

It is an amenable number.

2864735262861 is a deficient number, since it is larger than the sum of its proper divisors (1078126174323).

2864735262861 is a wasteful number, since it uses less digits than its factorization.

2864735262861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803605011.

The product of its digits is 46448640, while the sum is 60.

The spelling of 2864735262861 in words is "two trillion, eight hundred sixty-four billion, seven hundred thirty-five million, two hundred sixty-two thousand, eight hundred sixty-one".