13393146549 has 4 divisors (see below), whose sum is σ = 17857528736. Its totient is φ = 8928764364.

The previous prime is 13393146541. The next prime is 13393146563. The reversal of 13393146549 is 94564139331.

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 not a de Polignac number, because 13393146549 - 2³ = 13393146541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13393146498 and 13393146507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13393146541) 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, 2232191089 + ... + 2232191094.

It is an arithmetic number, because the mean of its divisors is an integer number (4464382184).

Almost surely, 2^13393146549 is an apocalyptic number.

It is an amenable number.

13393146549 is a deficient number, since it is larger than the sum of its proper divisors (4464382187).

13393146549 is an equidigital number, since it uses as much as digits as its factorization.

13393146549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464382186.

The product of its digits is 1049760, while the sum is 48.

The spelling of 13393146549 in words is "thirteen billion, three hundred ninety-three million, one hundred forty-six thousand, five hundred forty-nine".