13680771519 has 8 divisors (see below), whose sum is σ = 19034116992. Its totient is φ = 8723970200.

The previous prime is 13680771493. The next prime is 13680771521. The reversal of 13680771519 is 91517708631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13680771519 - 2²⁰ = 13679722943 is a prime.

It is a super-2 number, since 2×13680771519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680771569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99135957 + ... + 99136094.

It is an arithmetic number, because the mean of its divisors is an integer number (2379264624).

Almost surely, 2^13680771519 is an apocalyptic number.

13680771519 is a deficient number, since it is larger than the sum of its proper divisors (5353345473).

13680771519 is a wasteful number, since it uses less digits than its factorization.

13680771519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198272077.

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 13680771519 in words is "thirteen billion, six hundred eighty million, seven hundred seventy-one thousand, five hundred nineteen".