169058433493 has 2 divisors, whose sum is σ = 169058433494. Its totient is φ = 169058433492.

The previous prime is 169058433473. The next prime is 169058433517. The reversal of 169058433493 is 394334850961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107399087524 + 61659345969 = 327718^2 + 248313^2 .

It is an emirp because it is prime and its reverse (394334850961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169058433493 - 2²⁵ = 169024879061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169058433463) 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, 84529216746 + 84529216747.

It is an arithmetic number, because the mean of its divisors is an integer number (84529216747).

Almost surely, 2^169058433493 is an apocalyptic number.

It is an amenable number.

169058433493 is a deficient number, since it is larger than the sum of its proper divisors (1).

169058433493 is an equidigital number, since it uses as much as digits as its factorization.

169058433493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 169058433493 in words is "one hundred sixty-nine billion, fifty-eight million, four hundred thirty-three thousand, four hundred ninety-three".