4995398665 has 16 divisors (see below), whose sum is σ = 6116151888. Its totient is φ = 3915415296.

The previous prime is 4995398657. The next prime is 4995398671. The reversal of 4995398665 is 5668935994.

It can be written as a sum of positive squares in 8 ways, for example, as 799079824 + 4196318841 = 28268^2 + 64779^2 .

It is a cyclic number.

It is not a de Polignac number, because 4995398665 - 2³ = 4995398657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4995398597 and 4995398606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181387 + ... + 207103.

It is an arithmetic number, because the mean of its divisors is an integer number (382259493).

Almost surely, 2^4995398665 is an apocalyptic number.

It is an amenable number.

4995398665 is a deficient number, since it is larger than the sum of its proper divisors (1120753223).

4995398665 is a wasteful number, since it uses less digits than its factorization.

4995398665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508.

The product of its digits is 62985600, while the sum is 64.

The square root of 4995398665 is about 70678.1342778656. The cubic root of 4995398665 is about 1709.4512408758.

The spelling of 4995398665 in words is "four billion, nine hundred ninety-five million, three hundred ninety-eight thousand, six hundred sixty-five".