169240473613 has 2 divisors, whose sum is σ = 169240473614. Its totient is φ = 169240473612.

The previous prime is 169240473527. The next prime is 169240473767. The reversal of 169240473613 is 316374042961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167913911529 + 1326562084 = 409773^2 + 36422^2 .

It is a cyclic number.

It is not a de Polignac number, because 169240473613 - 2¹⁷ = 169240342541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169240473313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84620236806 + 84620236807.

It is an arithmetic number, because the mean of its divisors is an integer number (84620236807).

Almost surely, 2^169240473613 is an apocalyptic number.

It is an amenable number.

169240473613 is a deficient number, since it is larger than the sum of its proper divisors (1).

169240473613 is an equidigital number, since it uses as much as digits as its factorization.

169240473613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 169240473613 in words is "one hundred sixty-nine billion, two hundred forty million, four hundred seventy-three thousand, six hundred thirteen".