4678815465 has 12 divisors (see below), whose sum is σ = 8109946884. Its totient is φ = 2495368224.

The previous prime is 4678815443. The next prime is 4678815481. The reversal of 4678815465 is 5645188764.

It can be written as a sum of positive squares in 2 ways, for example, as 1738139481 + 2940675984 = 41691^2 + 54228^2 .

It is not a de Polignac number, because 4678815465 - 2⁵ = 4678815433 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51986794 + ... + 51986883.

It is an arithmetic number, because the mean of its divisors is an integer number (675828907).

Almost surely, 2^4678815465 is an apocalyptic number.

4678815465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4678815465 is a deficient number, since it is larger than the sum of its proper divisors (3431131419).

4678815465 is a wasteful number, since it uses less digits than its factorization.

4678815465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103973688 (or 103973685 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 4678815465 is about 68401.8674087192. The cubic root of 4678815465 is about 1672.5481871267.

The spelling of 4678815465 in words is "four billion, six hundred seventy-eight million, eight hundred fifteen thousand, four hundred sixty-five".