4636673865 has 12 divisors (see below), whose sum is σ = 8036901444. Its totient is φ = 2472892704.

The previous prime is 4636673849. The next prime is 4636673879. The reversal of 4636673865 is 5683766364.

It can be written as a sum of positive squares in 2 ways, for example, as 621804096 + 4014869769 = 24936^2 + 63363^2 .

It is not a de Polignac number, because 4636673865 - 2⁴ = 4636673849 is a prime.

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, 51518554 + ... + 51518643.

It is an arithmetic number, because the mean of its divisors is an integer number (669741787).

Almost surely, 2^4636673865 is an apocalyptic number.

4636673865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4636673865 is a deficient number, since it is larger than the sum of its proper divisors (3400227579).

4636673865 is a wasteful number, since it uses less digits than its factorization.

4636673865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103037208 (or 103037205 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The square root of 4636673865 is about 68093.1264152264. The cubic root of 4636673865 is about 1667.5115465455.

The spelling of 4636673865 in words is "four billion, six hundred thirty-six million, six hundred seventy-three thousand, eight hundred sixty-five".