25723842663 has 8 divisors (see below), whose sum is σ = 34299223168. Its totient is φ = 17148845304.

The previous prime is 25723842649. The next prime is 25723842673. The reversal of 25723842663 is 36624832752.

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

It is not a de Polignac number, because 25723842663 - 2⁸ = 25723842407 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 (25723842623) 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 7 ways as a sum of consecutive naturals, for example, 153720 + ... + 274002.

It is an arithmetic number, because the mean of its divisors is an integer number (4287402896).

Almost surely, 2^25723842663 is an apocalyptic number.

25723842663 is a deficient number, since it is larger than the sum of its proper divisors (8575380505).

25723842663 is a wasteful number, since it uses less digits than its factorization.

25723842663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191573.

The product of its digits is 2903040, while the sum is 48.

The spelling of 25723842663 in words is "twenty-five billion, seven hundred twenty-three million, eight hundred forty-two thousand, six hundred sixty-three".