16705361513 has 2 divisors, whose sum is σ = 16705361514. Its totient is φ = 16705361512.

The previous prime is 16705361479. The next prime is 16705361531. The reversal of 16705361513 is 31516350761.

It is a happy number.

Together with next prime (16705361531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13861059289 + 2844302224 = 117733^2 + 53332^2 .

It is a cyclic number.

It is not a de Polignac number, because 16705361513 - 2¹⁰ = 16705360489 is a prime.

It is not a weakly prime, because it can be changed into another prime (16705363513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8352680756 + 8352680757.

It is an arithmetic number, because the mean of its divisors is an integer number (8352680757).

Almost surely, 2^16705361513 is an apocalyptic number.

It is an amenable number.

16705361513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16705361513 is an equidigital number, since it uses as much as digits as its factorization.

16705361513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 16705361513 in words is "sixteen billion, seven hundred five million, three hundred sixty-one thousand, five hundred thirteen".