13146958517 has 16 divisors (see below), whose sum is σ = 17355192192. Its totient is φ = 9641771520.

The previous prime is 13146958507. The next prime is 13146958523. The reversal of 13146958517 is 71585964131.

It is a cyclic number.

It is not a de Polignac number, because 13146958517 - 2⁶ = 13146958453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146958507) 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, 5020448 + ... + 5023065.

It is an arithmetic number, because the mean of its divisors is an integer number (1084699512).

Almost surely, 2^13146958517 is an apocalyptic number.

13146958517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13146958517 is a deficient number, since it is larger than the sum of its proper divisors (4208233675).

13146958517 is a wasteful number, since it uses less digits than its factorization.

13146958517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043548.

The product of its digits is 907200, while the sum is 50.

The spelling of 13146958517 in words is "thirteen billion, one hundred forty-six million, nine hundred fifty-eight thousand, five hundred seventeen".