25066642445 has 16 divisors (see below), whose sum is σ = 32397321600. Its totient is φ = 18508747584.

The previous prime is 25066642429. The next prime is 25066642463. The reversal of 25066642445 is 54424666052.

It is a cyclic number.

It is not a de Polignac number, because 25066642445 - 2⁴ = 25066642429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25066642396 and 25066642405.

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 15 ways as a sum of consecutive naturals, for example, 882962 + ... + 910908.

It is an arithmetic number, because the mean of its divisors is an integer number (2024832600).

Almost surely, 2^25066642445 is an apocalyptic number.

It is an amenable number.

25066642445 is a deficient number, since it is larger than the sum of its proper divisors (7330679155).

25066642445 is a wasteful number, since it uses less digits than its factorization.

25066642445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41764.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 25066642445 in words is "twenty-five billion, sixty-six million, six hundred forty-two thousand, four hundred forty-five".