2864139464 has 16 divisors (see below), whose sum is σ = 5686159500. Its totient is φ = 1347830272.

The previous prime is 2864139449. The next prime is 2864139479. The reversal of 2864139464 is 4649314682.

2864139464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2864139449) and next prime (2864139479).

It can be written as a sum of positive squares in 2 ways, for example, as 2859040900 + 5098564 = 53470^2 + 2258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10529789 + ... + 10530060.

Almost surely, 2^2864139464 is an apocalyptic number.

It is an amenable number.

2864139464 is a deficient number, since it is larger than the sum of its proper divisors (2822020036).

2864139464 is a wasteful number, since it uses less digits than its factorization.

2864139464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21059872 (or 21059868 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 2864139464 is about 53517.6556287736. The cubic root of 2864139464 is about 1420.1407425136.

The spelling of 2864139464 in words is "two billion, eight hundred sixty-four million, one hundred thirty-nine thousand, four hundred sixty-four".