25763349103 has 4 divisors (see below), whose sum is σ = 25780047568. Its totient is φ = 25746650640.

The previous prime is 25763349049. The next prime is 25763349113. The reversal of 25763349103 is 30194336752.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25763349103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25763349103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25763349113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8346918 + ... + 8350003.

It is an arithmetic number, because the mean of its divisors is an integer number (6445011892).

Almost surely, 2^25763349103 is an apocalyptic number.

25763349103 is a deficient number, since it is larger than the sum of its proper divisors (16698465).

25763349103 is a wasteful number, since it uses less digits than its factorization.

25763349103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16698464.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 25763349103 in words is "twenty-five billion, seven hundred sixty-three million, three hundred forty-nine thousand, one hundred three".