16713649387 has 4 divisors (see below), whose sum is σ = 16996931640. Its totient is φ = 16430367136.

The previous prime is 16713649369. The next prime is 16713649429. The reversal of 16713649387 is 78394631761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78394631761 = 449 ⋅174598289.

It is a cyclic number.

It is not a de Polignac number, because 16713649387 - 2²³ = 16705260779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16713646387) 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, 141641038 + ... + 141641155.

It is an arithmetic number, because the mean of its divisors is an integer number (4249232910).

Almost surely, 2^16713649387 is an apocalyptic number.

16713649387 is a deficient number, since it is larger than the sum of its proper divisors (283282253).

16713649387 is an equidigital number, since it uses as much as digits as its factorization.

16713649387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283282252.

The product of its digits is 4572288, while the sum is 55.

The spelling of 16713649387 in words is "sixteen billion, seven hundred thirteen million, six hundred forty-nine thousand, three hundred eighty-seven".