25962344563 has 4 divisors (see below), whose sum is σ = 27489541320. Its totient is φ = 24435147808.

The previous prime is 25962344561. The next prime is 25962344579. The reversal of 25962344563 is 36544326952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25962344563 - 2¹ = 25962344561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25962344561) 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, 763598353 + ... + 763598386.

It is an arithmetic number, because the mean of its divisors is an integer number (6872385330).

Almost surely, 2^25962344563 is an apocalyptic number.

25962344563 is a deficient number, since it is larger than the sum of its proper divisors (1527196757).

25962344563 is a wasteful number, since it uses less digits than its factorization.

25962344563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527196756.

The product of its digits is 4665600, while the sum is 49.

The spelling of 25962344563 in words is "twenty-five billion, nine hundred sixty-two million, three hundred forty-four thousand, five hundred sixty-three".