738448169 has 2 divisors, whose sum is σ = 738448170. Its totient is φ = 738448168.

The previous prime is 738448163. The next prime is 738448181. The reversal of 738448169 is 961844837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 717168400 + 21279769 = 26780^2 + 4613^2 .

It is a cyclic number.

It is not a de Polignac number, because 738448169 - 2⁴ = 738448153 is a prime.

It is a super-2 number, since 2×738448169² = 1090611396598905122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (738448163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369224084 + 369224085.

It is an arithmetic number, because the mean of its divisors is an integer number (369224085).

Almost surely, 2^738448169 is an apocalyptic number.

It is an amenable number.

738448169 is a deficient number, since it is larger than the sum of its proper divisors (1).

738448169 is an equidigital number, since it uses as much as digits as its factorization.

738448169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 738448169 is about 27174.4028269252. The cubic root of 738448169 is about 903.8714579710.

The spelling of 738448169 in words is "seven hundred thirty-eight million, four hundred forty-eight thousand, one hundred sixty-nine".