4725826118621 has 16 divisors (see below), whose sum is σ = 4906618837680. Its totient is φ = 4547885045760.

The previous prime is 4725826118579. The next prime is 4725826118647. The reversal of 4725826118621 is 1268116285274.

It can be written as a sum of positive squares in 8 ways, for example, as 200054925625 + 4525771192996 = 447275^2 + 2127386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4725826118621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4725826118521) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5411615 + ... + 6223923.

It is an arithmetic number, because the mean of its divisors is an integer number (306663677355).

Almost surely, 2^{4725826118621} is an apocalyptic number.

It is an amenable number.

4725826118621 is a deficient number, since it is larger than the sum of its proper divisors (180792719059).

4725826118621 is a wasteful number, since it uses less digits than its factorization.

4725826118621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814064.

The product of its digits is 2580480, while the sum is 53.

The spelling of 4725826118621 in words is "four trillion, seven hundred twenty-five billion, eight hundred twenty-six million, one hundred eighteen thousand, six hundred twenty-one".