25610634423 has 48 divisors (see below), whose sum is σ = 40823546400. Its totient is φ = 15342243840.

The previous prime is 25610634421. The next prime is 25610634437. The reversal of 25610634423 is 32443601652.

25610634423 is a `hidden beast` number, since 2 + 5 + 6 + 10 + 634 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 25610634423 - 2¹ = 25610634421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25610634421) 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 47 ways as a sum of consecutive naturals, for example, 12377233 + ... + 12379301.

It is an arithmetic number, because the mean of its divisors is an integer number (850490550).

Almost surely, 2^25610634423 is an apocalyptic number.

25610634423 is a deficient number, since it is larger than the sum of its proper divisors (15212911977).

25610634423 is a wasteful number, since it uses less digits than its factorization.

25610634423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 25610634423 in words is "twenty-five billion, six hundred ten million, six hundred thirty-four thousand, four hundred twenty-three".