13146958519 has 4 divisors (see below), whose sum is σ = 13149667960. Its totient is φ = 13144249080.

The previous prime is 13146958507. The next prime is 13146958523. The reversal of 13146958519 is 91585964131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13146958519 is a prime.

It is a super-2 number, since 2×13146958519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146928519) 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, 1347429 + ... + 1357150.

It is an arithmetic number, because the mean of its divisors is an integer number (3287416990).

Almost surely, 2^13146958519 is an apocalyptic number.

13146958519 is a deficient number, since it is larger than the sum of its proper divisors (2709441).

13146958519 is an equidigital number, since it uses as much as digits as its factorization.

13146958519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709440.

The product of its digits is 1166400, while the sum is 52.

The spelling of 13146958519 in words is "thirteen billion, one hundred forty-six million, nine hundred fifty-eight thousand, five hundred nineteen".