4618122725 has 12 divisors (see below), whose sum is σ = 5768275524. Its totient is φ = 3667528320.

The previous prime is 4618122713. The next prime is 4618122737. The reversal of 4618122725 is 5272218164.

It is an interprime number because it is at equal distance from previous prime (4618122713) and next prime (4618122737).

It can be written as a sum of positive squares in 6 ways, for example, as 153611236 + 4464511489 = 12394^2 + 66817^2 .

It is not a de Polignac number, because 4618122725 - 2⁸ = 4618122469 is a prime.

It is a super-2 number, since 2×4618122725² = 42654115006322851250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670754 + ... + 677603.

It is an arithmetic number, because the mean of its divisors is an integer number (480689627).

Almost surely, 2^4618122725 is an apocalyptic number.

It is an amenable number.

4618122725 is a deficient number, since it is larger than the sum of its proper divisors (1150152799).

4618122725 is a wasteful number, since it uses less digits than its factorization.

4618122725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348504 (or 1348499 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 4618122725 is about 67956.7710018656. The cubic root of 4618122725 is about 1665.2846925163.

The spelling of 4618122725 in words is "four billion, six hundred eighteen million, one hundred twenty-two thousand, seven hundred twenty-five".