99993469 has 2 divisors, whose sum is σ = 99993470. Its totient is φ = 99993468.

The previous prime is 99993463. The next prime is 99993497. The reversal of 99993469 is 96439999.

99993469 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95844100 + 4149369 = 9790^2 + 2037^2 .

It is an emirp because it is prime and its reverse (96439999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99993469 - 2³ = 99993461 is a prime.

It is a super-2 number, since 2×99993469² = 19997387685307922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99993461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996734 + 49996735.

It is an arithmetic number, because the mean of its divisors is an integer number (49996735).

Almost surely, 2^99993469 is an apocalyptic number.

It is an amenable number.

99993469 is a deficient number, since it is larger than the sum of its proper divisors (1).

99993469 is an equidigital number, since it uses as much as digits as its factorization.

99993469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4251528, while the sum is 58.

The square root of 99993469 is about 9999.6734446681. The cubic root of 99993469 is about 464.1487784024.

The spelling of 99993469 in words is "ninety-nine million, nine hundred ninety-three thousand, four hundred sixty-nine".