25284945434 has 16 divisors (see below), whose sum is σ = 43347832128. Its totient is φ = 10835852352.

The previous prime is 25284945409. The next prime is 25284945443. The reversal of 25284945434 is 43454948252.

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 7 ways as a sum of consecutive naturals, for example, 364034 + ... + 427890.

It is an arithmetic number, because the mean of its divisors is an integer number (2709239508).

Almost surely, 2^25284945434 is an apocalyptic number.

25284945434 is a deficient number, since it is larger than the sum of its proper divisors (18062886694).

25284945434 is a wasteful number, since it uses less digits than its factorization.

25284945434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92149.

The product of its digits is 5529600, while the sum is 50.

The spelling of 25284945434 in words is "twenty-five billion, two hundred eighty-four million, nine hundred forty-five thousand, four hundred thirty-four".