13146616749 has 48 divisors (see below), whose sum is σ = 22116882816. Its totient is φ = 6897945600.

The previous prime is 13146616729. The next prime is 13146616751. The reversal of 13146616749 is 94761664131.

It is not a de Polignac number, because 13146616749 - 2⁹ = 13146616237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13146616698 and 13146616707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146616729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38304 + ... + 166614.

It is an arithmetic number, because the mean of its divisors is an integer number (460768392).

Almost surely, 2^13146616749 is an apocalyptic number.

It is an amenable number.

13146616749 is a deficient number, since it is larger than the sum of its proper divisors (8970266067).

13146616749 is a wasteful number, since it uses less digits than its factorization.

13146616749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128386 (or 128379 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The spelling of 13146616749 in words is "thirteen billion, one hundred forty-six million, six hundred sixteen thousand, seven hundred forty-nine".