993321269 has 2 divisors, whose sum is σ = 993321270. Its totient is φ = 993321268.

The previous prime is 993321239. The next prime is 993321331. The reversal of 993321269 is 962123399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719848900 + 273472369 = 26830^2 + 16537^2 .

It is a cyclic number.

It is not a de Polignac number, because 993321269 - 2²⁸ = 724885813 is a prime.

It is a super-2 number, since 2×993321269² = 1973374286895540722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993321209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496660634 + 496660635.

It is an arithmetic number, because the mean of its divisors is an integer number (496660635).

Almost surely, 2^993321269 is an apocalyptic number.

It is an amenable number.

993321269 is a deficient number, since it is larger than the sum of its proper divisors (1).

993321269 is an equidigital number, since it uses as much as digits as its factorization.

993321269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 44.

The square root of 993321269 is about 31516.9996827109. Note that the first 3 decimals coincide. The cubic root of 993321269 is about 997.7687817008.

The spelling of 993321269 in words is "nine hundred ninety-three million, three hundred twenty-one thousand, two hundred sixty-nine".