4687938397865 has 8 divisors (see below), whose sum is σ = 5631202699008. Its totient is φ = 3746566303920.

The previous prime is 4687938397819. The next prime is 4687938397913. The reversal of 4687938397865 is 5687938397864.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4687938397865 - 2¹⁴ = 4687938381481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473046347 + ... + 473056256.

It is an arithmetic number, because the mean of its divisors is an integer number (703900337376).

Almost surely, 2^{4687938397865} is an apocalyptic number.

It is an amenable number.

4687938397865 is a deficient number, since it is larger than the sum of its proper divisors (943264301143).

4687938397865 is an equidigital number, since it uses as much as digits as its factorization.

4687938397865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946103599.

The product of its digits is 13168189440, while the sum is 83.

Subtracting 4687938397865 from its reverse (5687938397864), we obtain a palindrome (999999999999).

The spelling of 4687938397865 in words is "four trillion, six hundred eighty-seven billion, nine hundred thirty-eight million, three hundred ninety-seven thousand, eight hundred sixty-five".