19710686141 has 2 divisors, whose sum is σ = 19710686142. Its totient is φ = 19710686140.

The previous prime is 19710686029. The next prime is 19710686161. The reversal of 19710686141 is 14168601791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19601400025 + 109286116 = 140005^2 + 10454^2 .

It is an emirp because it is prime and its reverse (14168601791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19710686141 - 2¹⁰ = 19710685117 is a prime.

It is a super-2 number, since 2×19710686141² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19710686092 and 19710686101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19710686161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9855343070 + 9855343071.

It is an arithmetic number, because the mean of its divisors is an integer number (9855343071).

Almost surely, 2^19710686141 is an apocalyptic number.

It is an amenable number.

19710686141 is a deficient number, since it is larger than the sum of its proper divisors (1).

19710686141 is an equidigital number, since it uses as much as digits as its factorization.

19710686141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 19710686141 in words is "nineteen billion, seven hundred ten million, six hundred eighty-six thousand, one hundred forty-one".