2864404263 has 8 divisors (see below), whose sum is σ = 4364806528. Its totient is φ = 1636802424.

The previous prime is 2864404259. The next prime is 2864404297. The reversal of 2864404263 is 3624044682.

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

It is not a de Polignac number, because 2864404263 - 2² = 2864404259 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 (2864404063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68200081 + ... + 68200122.

It is an arithmetic number, because the mean of its divisors is an integer number (545600816).

Almost surely, 2^2864404263 is an apocalyptic number.

2864404263 is a deficient number, since it is larger than the sum of its proper divisors (1500402265).

2864404263 is a wasteful number, since it uses less digits than its factorization.

2864404263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136400213.

The product of its (nonzero) digits is 221184, while the sum is 39.

The square root of 2864404263 is about 53520.1295121751. The cubic root of 2864404263 is about 1420.1845067070.

It can be divided in two parts, 286440 and 4263, that added together give a triangular number (290703 = T₇₆₂).

The spelling of 2864404263 in words is "two billion, eight hundred sixty-four million, four hundred four thousand, two hundred sixty-three".