16794169343969 has 2 divisors, whose sum is σ = 16794169343970. Its totient is φ = 16794169343968.

The previous prime is 16794169343957. The next prime is 16794169344011. The reversal of 16794169343969 is 96934396149761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16776069139600 + 18100204369 = 4095860^2 + 134537^2 .

It is a cyclic number.

It is not a de Polignac number, because 16794169343969 - 2²⁰ = 16794168295393 is a prime.

It is a super-2 number, since 2×16794169343969² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16794169343969.

It is not a weakly prime, because it can be changed into another prime (16704169343969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8397084671984 + 8397084671985.

It is an arithmetic number, because the mean of its divisors is an integer number (8397084671985).

Almost surely, 2^{16794169343969} is an apocalyptic number.

It is an amenable number.

16794169343969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16794169343969 is an equidigital number, since it uses as much as digits as its factorization.

16794169343969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428513408, while the sum is 77.

The spelling of 16794169343969 in words is "sixteen trillion, seven hundred ninety-four billion, one hundred sixty-nine million, three hundred forty-three thousand, nine hundred sixty-nine".