169536413 has 2 divisors, whose sum is σ = 169536414. Its totient is φ = 169536412.

The previous prime is 169536403. The next prime is 169536421. The reversal of 169536413 is 314635961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98942809 + 70593604 = 9947^2 + 8402^2 .

It is a cyclic number.

It is not a de Polignac number, because 169536413 - 2⁴ = 169536397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169536403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84768206 + 84768207.

It is an arithmetic number, because the mean of its divisors is an integer number (84768207).

Almost surely, 2^169536413 is an apocalyptic number.

It is an amenable number.

169536413 is a deficient number, since it is larger than the sum of its proper divisors (1).

169536413 is an equidigital number, since it uses as much as digits as its factorization.

169536413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 169536413 is about 13020.6149240349. The cubic root of 169536413 is about 553.4618155783.

The spelling of 169536413 in words is "one hundred sixty-nine million, five hundred thirty-six thousand, four hundred thirteen".