16765908349 has 2 divisors, whose sum is σ = 16765908350. Its totient is φ = 16765908348.

The previous prime is 16765908307. The next prime is 16765908371. The reversal of 16765908349 is 94380956761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14555216025 + 2210692324 = 120645^2 + 47018^2 .

It is a cyclic number.

It is not a de Polignac number, because 16765908349 - 2²⁵ = 16732353917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16765908293 and 16765908302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16765906349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382954174 + 8382954175.

It is an arithmetic number, because the mean of its divisors is an integer number (8382954175).

Almost surely, 2^16765908349 is an apocalyptic number.

It is an amenable number.

16765908349 is a deficient number, since it is larger than the sum of its proper divisors (1).

16765908349 is an equidigital number, since it uses as much as digits as its factorization.

16765908349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 16765908349 in words is "sixteen billion, seven hundred sixty-five million, nine hundred eight thousand, three hundred forty-nine".