25930338841 has 9 divisors (see below), whose sum is σ = 28503889813. Its totient is φ = 23571425020.

The previous prime is 25930338793. The next prime is 25930338859. The reversal of 25930338841 is 14883303952.

The square root of 25930338841 is 161029.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-25930338841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25930338791 and 25930338800.

It is not an unprimeable number, because it can be changed into a prime (25930338041) 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 8 ways as a sum of consecutive naturals, for example, 1764000 + ... + 1778638.

Almost surely, 2^25930338841 is an apocalyptic number.

25930338841 is the 161029-th square number.

25930338841 is the 80515-th centered octagonal number.

It is an amenable number.

25930338841 is a deficient number, since it is larger than the sum of its proper divisors (2573550972).

25930338841 is an frugal number, since it uses more digits than its factorization.

25930338841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29300 (or 14650 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 25930338841 in words is "twenty-five billion, nine hundred thirty million, three hundred thirty-eight thousand, eight hundred forty-one".