13244426325 has 36 divisors (see below), whose sum is σ = 25547032420. Its totient is φ = 6520331520.

The previous prime is 13244426303. The next prime is 13244426333. The reversal of 13244426325 is 52362444231.

13244426325 is a `hidden beast` number, since 1 + 324 + 4 + 4 + 2 + 6 + 325 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4542894801 + 8701531524 = 67401^2 + 93282^2 .

It is not a de Polignac number, because 13244426325 - 2¹³ = 13244418133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13244426325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2261080 + ... + 2266929.

Almost surely, 2^13244426325 is an apocalyptic number.

13244426325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13244426325 is a deficient number, since it is larger than the sum of its proper divisors (12302606095).

13244426325 is a wasteful number, since it uses less digits than its factorization.

13244426325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528038 (or 4528030 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

It can be divided in two parts, 13244 and 426325, that added together give a square (439569 = 663²).

The spelling of 13244426325 in words is "thirteen billion, two hundred forty-four million, four hundred twenty-six thousand, three hundred twenty-five".