13825763257 has 4 divisors (see below), whose sum is σ = 13833706276. Its totient is φ = 13817820240.

The previous prime is 13825763251. The next prime is 13825763261. The reversal of 13825763257 is 75236752831.

13825763257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4535887801 + 9289875456 = 67349^2 + 96384^2 .

It is a cyclic number.

It is not a de Polignac number, because 13825763257 - 2¹⁹ = 13825238969 is a prime.

It is a super-2 number, since 2×13825763257² (a number of 21 digits) contains 22 as substring.

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 13825763257.

It is not an unprimeable number, because it can be changed into a prime (13825763251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3968898 + ... + 3972379.

It is an arithmetic number, because the mean of its divisors is an integer number (3458426569).

Almost surely, 2^13825763257 is an apocalyptic number.

It is an amenable number.

13825763257 is a deficient number, since it is larger than the sum of its proper divisors (7943019).

13825763257 is an equidigital number, since it uses as much as digits as its factorization.

13825763257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943018.

The product of its digits is 2116800, while the sum is 49.

The spelling of 13825763257 in words is "thirteen billion, eight hundred twenty-five million, seven hundred sixty-three thousand, two hundred fifty-seven".