25348052866 has 8 divisors (see below), whose sum is σ = 38048251644. Its totient is φ = 12665302320.

The previous prime is 25348052857. The next prime is 25348052867. The reversal of 25348052866 is 66825084352.

It can be written as a sum of positive squares in 2 ways, for example, as 19844638641 + 5503414225 = 140871^2 + 74185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25348052867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358425 + ... + 4364236.

Almost surely, 2^25348052866 is an apocalyptic number.

25348052866 is a deficient number, since it is larger than the sum of its proper divisors (12700198778).

25348052866 is a wasteful number, since it uses less digits than its factorization.

25348052866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724116.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 25348052866 in words is "twenty-five billion, three hundred forty-eight million, fifty-two thousand, eight hundred sixty-six".