13424434020245 has 8 divisors (see below), whose sum is σ = 16115476484184. Its totient is φ = 10735443442944.

The previous prime is 13424434020233. The next prime is 13424434020251. The reversal of 13424434020245 is 54202043442431.

It can be written as a sum of positive squares in 4 ways, for example, as 4033341189124 + 9391092831121 = 2008318^2 + 3064489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13424434020245 - 2⁸ = 13424434019989 is a prime.

It is a super-2 number, since 2×13424434020245² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13424434020199 and 13424434020208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512957264 + ... + 512983433.

It is an arithmetic number, because the mean of its divisors is an integer number (2014434560523).

Almost surely, 2^{13424434020245} is an apocalyptic number.

It is an amenable number.

13424434020245 is a deficient number, since it is larger than the sum of its proper divisors (2691042463939).

13424434020245 is a wasteful number, since it uses less digits than its factorization.

13424434020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025943319.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 13424434020245 its reverse (54202043442431), we get a palindrome (67626477462676).

The spelling of 13424434020245 in words is "thirteen trillion, four hundred twenty-four billion, four hundred thirty-four million, twenty thousand, two hundred forty-five".