13344513457 has 16 divisors (see below), whose sum is σ = 14748984000. Its totient is φ = 11972975040.

The previous prime is 13344513439. The next prime is 13344513463. The reversal of 13344513457 is 75431544331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13344513457 - 2¹¹ = 13344511409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13344513557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231394 + ... + 283252.

It is an arithmetic number, because the mean of its divisors is an integer number (921811500).

Almost surely, 2^13344513457 is an apocalyptic number.

It is an amenable number.

13344513457 is a deficient number, since it is larger than the sum of its proper divisors (1404470543).

13344513457 is a wasteful number, since it uses less digits than its factorization.

13344513457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52176.

The product of its digits is 302400, while the sum is 40.

The spelling of 13344513457 in words is "thirteen billion, three hundred forty-four million, five hundred thirteen thousand, four hundred fifty-seven".