13716061861 has 2 divisors, whose sum is σ = 13716061862. Its totient is φ = 13716061860.

The previous prime is 13716061859. The next prime is 13716061901. The reversal of 13716061861 is 16816061731.

It is an a-pointer prime, because the next prime (13716061901) can be obtained adding 13716061861 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13623324961 + 92736900 = 116719^2 + 9630^2 .

It is a cyclic number.

It is not a de Polignac number, because 13716061861 - 2¹ = 13716061859 is a prime.

Together with 13716061859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13716064861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6858030930 + 6858030931.

It is an arithmetic number, because the mean of its divisors is an integer number (6858030931).

Almost surely, 2^13716061861 is an apocalyptic number.

It is an amenable number.

13716061861 is a deficient number, since it is larger than the sum of its proper divisors (1).

13716061861 is an equidigital number, since it uses as much as digits as its factorization.

13716061861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 13716061861 in words is "thirteen billion, seven hundred sixteen million, sixty-one thousand, eight hundred sixty-one".