169643713 has 2 divisors, whose sum is σ = 169643714. Its totient is φ = 169643712.

The previous prime is 169643689. The next prime is 169643743. The reversal of 169643713 is 317346961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145515969 + 24127744 = 12063^2 + 4912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169643713 is a prime.

It is not a weakly prime, because it can be changed into another prime (169643743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84821856 + 84821857.

It is an arithmetic number, because the mean of its divisors is an integer number (84821857).

Almost surely, 2^169643713 is an apocalyptic number.

It is an amenable number.

169643713 is a deficient number, since it is larger than the sum of its proper divisors (1).

169643713 is an equidigital number, since it uses as much as digits as its factorization.

169643713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 169643713 is about 13024.7346614048. The cubic root of 169643713 is about 553.5785533881.

The spelling of 169643713 in words is "one hundred sixty-nine million, six hundred forty-three thousand, seven hundred thirteen".