13713185663 has 4 divisors (see below), whose sum is σ = 14047653648. Its totient is φ = 13378717680.

The previous prime is 13713185657. The next prime is 13713185669. The reversal of 13713185663 is 36658131731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36658131731 = 13 ⋅2819856287.

It is an interprime number because it is at equal distance from previous prime (13713185657) and next prime (13713185669).

It is a cyclic number.

It is not a de Polignac number, because 13713185663 - 2¹² = 13713181567 is a prime.

It is a super-2 number, since 2×13713185663² (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 (13713185669) 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, 167233931 + ... + 167234012.

It is an arithmetic number, because the mean of its divisors is an integer number (3511913412).

Almost surely, 2^13713185663 is an apocalyptic number.

13713185663 is a deficient number, since it is larger than the sum of its proper divisors (334467985).

13713185663 is an equidigital number, since it uses as much as digits as its factorization.

13713185663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334467984.

The product of its digits is 272160, while the sum is 44.

The spelling of 13713185663 in words is "thirteen billion, seven hundred thirteen million, one hundred eighty-five thousand, six hundred sixty-three".