13458759493 has 4 divisors (see below), whose sum is σ = 13584542400. Its totient is φ = 13332976588.

The previous prime is 13458759487. The next prime is 13458759593. The reversal of 13458759493 is 39495785431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13458759493 is a prime.

It is a super-2 number, since 2×13458759493² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13458759463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62891293 + ... + 62891506.

It is an arithmetic number, because the mean of its divisors is an integer number (3396135600).

Almost surely, 2^13458759493 is an apocalyptic number.

It is an amenable number.

13458759493 is a deficient number, since it is larger than the sum of its proper divisors (125782907).

13458759493 is a wasteful number, since it uses less digits than its factorization.

13458759493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125782906.

The product of its digits is 16329600, while the sum is 58.

The spelling of 13458759493 in words is "thirteen billion, four hundred fifty-eight million, seven hundred fifty-nine thousand, four hundred ninety-three".