993069169 has 3 divisors (see below), whose sum is σ = 993100683. Its totient is φ = 993037656.

The previous prime is 993069149. The next prime is 993069191. The reversal of 993069169 is 961960399.

The square root of 993069169 is 31513.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1575025 + 991494144 = 1255^2 + 31488^2 .

It is not a de Polignac number, because 993069169 - 2¹³ = 993060977 is a prime.

It is a super-2 number, since 2×993069169² = 1972372748836701122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993069149) 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 in 2 ways as a sum of consecutive naturals, for example, 15757 + ... + 47269.

It is an arithmetic number, because the mean of its divisors is an integer number (331033561).

Almost surely, 2^993069169 is an apocalyptic number.

993069169 is the 31513-rd square number.

993069169 is the 15757-th centered octagonal number.

It is an amenable number.

993069169 is a deficient number, since it is larger than the sum of its proper divisors (31514).

993069169 is an frugal number, since it uses more digits than its factorization.

993069169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63026 (or 31513 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 52.

The cubic root of 993069169 is about 997.6843649734.

The spelling of 993069169 in words is "nine hundred ninety-three million, sixty-nine thousand, one hundred sixty-nine".