13716649069 has 2 divisors, whose sum is σ = 13716649070. Its totient is φ = 13716649068.

The previous prime is 13716648997. The next prime is 13716649103. The reversal of 13716649069 is 96094661731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7954320969 + 5762328100 = 89187^2 + 75910^2 .

It is an emirp because it is prime and its reverse (96094661731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13716649069 - 2⁹ = 13716648557 is a prime.

It is a super-2 number, since 2×13716649069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13716649669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6858324534 + 6858324535.

It is an arithmetic number, because the mean of its divisors is an integer number (6858324535).

Almost surely, 2^13716649069 is an apocalyptic number.

It is an amenable number.

13716649069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13716649069 is an equidigital number, since it uses as much as digits as its factorization.

13716649069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 13716649069 in words is "thirteen billion, seven hundred sixteen million, six hundred forty-nine thousand, sixty-nine".