4915902865 has 4 divisors (see below), whose sum is σ = 5899083444. Its totient is φ = 3932722288.

The previous prime is 4915902863. The next prime is 4915902883. The reversal of 4915902865 is 5682095194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5682095194 = 2 ⋅2841047597.

It can be written as a sum of positive squares in 2 ways, for example, as 712195969 + 4203706896 = 26687^2 + 64836^2 .

It is a cyclic number.

It is not a de Polignac number, because 4915902865 - 2¹ = 4915902863 is a prime.

It is a super-2 number, since 2×4915902865² = 48332201956230416450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4915902863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491590282 + ... + 491590291.

It is an arithmetic number, because the mean of its divisors is an integer number (1474770861).

Almost surely, 2^4915902865 is an apocalyptic number.

It is an amenable number.

4915902865 is a deficient number, since it is larger than the sum of its proper divisors (983180579).

4915902865 is an equidigital number, since it uses as much as digits as its factorization.

4915902865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983180578.

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 4915902865 is about 70113.4998769852. The cubic root of 4915902865 is about 1700.3347512647.

The spelling of 4915902865 in words is "four billion, nine hundred fifteen million, nine hundred two thousand, eight hundred sixty-five".