6864610465 has 4 divisors (see below), whose sum is σ = 8237532564. Its totient is φ = 5491688368.

The previous prime is 6864610451. The next prime is 6864610469. The reversal of 6864610465 is 5640164686.

6864610465 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4895381089 + 1969229376 = 69967^2 + 44376^2 .

It is a cyclic number.

It is not a de Polignac number, because 6864610465 - 2²⁵ = 6831056033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6864610469) 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, 686461042 + ... + 686461051.

It is an arithmetic number, because the mean of its divisors is an integer number (2059383141).

Almost surely, 2^6864610465 is an apocalyptic number.

It is an amenable number.

6864610465 is a deficient number, since it is larger than the sum of its proper divisors (1372922099).

6864610465 is a wasteful number, since it uses less digits than its factorization.

6864610465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372922098.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 6864610465 is about 82852.9448179122. The cubic root of 6864610465 is about 1900.5179072910.

The spelling of 6864610465 in words is "six billion, eight hundred sixty-four million, six hundred ten thousand, four hundred sixty-five".