13425969325 has 6 divisors (see below), whose sum is σ = 16648201994. Its totient is φ = 10740775440.

The previous prime is 13425969313. The next prime is 13425969329. The reversal of 13425969325 is 52396952431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 634133124 + 12791836201 = 25182^2 + 113101^2 .

It is not a de Polignac number, because 13425969325 - 2⁷ = 13425969197 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 (13425969329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268519362 + ... + 268519411.

Almost surely, 2^13425969325 is an apocalyptic number.

It is an amenable number.

13425969325 is a deficient number, since it is larger than the sum of its proper divisors (3222232669).

13425969325 is an equidigital number, since it uses as much as digits as its factorization.

13425969325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537038783 (or 537038778 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 49.

The spelling of 13425969325 in words is "thirteen billion, four hundred twenty-five million, nine hundred sixty-nine thousand, three hundred twenty-five".