2864139463 has 4 divisors (see below), whose sum is σ = 2878678440. Its totient is φ = 2849600488.

The previous prime is 2864139449. The next prime is 2864139479. The reversal of 2864139463 is 3649314682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2864139463 - 2⁵ = 2864139431 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 (2864139403) 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, 7269193 + ... + 7269586.

It is an arithmetic number, because the mean of its divisors is an integer number (719669610).

Almost surely, 2^2864139463 is an apocalyptic number.

2864139463 is a deficient number, since it is larger than the sum of its proper divisors (14538977).

2864139463 is a wasteful number, since it uses less digits than its factorization.

2864139463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14538976.

The product of its digits is 746496, while the sum is 46.

The square root of 2864139463 is about 53517.6556194309. The cubic root of 2864139463 is about 1420.1407423483.

The spelling of 2864139463 in words is "two billion, eight hundred sixty-four million, one hundred thirty-nine thousand, four hundred sixty-three".