4878990165913 has 4 divisors (see below), whose sum is σ = 4905945912868. Its totient is φ = 4852034418960.

The previous prime is 4878990165893. The next prime is 4878990165937. The reversal of 4878990165913 is 3195610998784.

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 763171718409 + 4115818447504 = 873597^2 + 2028748^2 .

It is a cyclic number.

It is not a de Polignac number, because 4878990165913 - 2²⁵ = 4878956611481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4878990165953) 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, 13477873206 + ... + 13477873567.

It is an arithmetic number, because the mean of its divisors is an integer number (1226486478217).

Almost surely, 2^{4878990165913} is an apocalyptic number.

It is an amenable number.

4878990165913 is a deficient number, since it is larger than the sum of its proper divisors (26955746955).

4878990165913 is a wasteful number, since it uses less digits than its factorization.

4878990165913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26955746954.

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 4878990165913 in words is "four trillion, eight hundred seventy-eight billion, nine hundred ninety million, one hundred sixty-five thousand, nine hundred thirteen".