99451269 has 12 divisors (see below), whose sum is σ = 144117792. Its totient is φ = 66085800.

The previous prime is 99451243. The next prime is 99451271. The reversal of 99451269 is 96215499.

It is not a de Polignac number, because 99451269 - 2⁷ = 99451141 is a prime.

It is a super-2 number, since 2×99451269² = 19781109811420722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99451169) 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 11 ways as a sum of consecutive naturals, for example, 14967 + ... + 20564.

It is an arithmetic number, because the mean of its divisors is an integer number (12009816).

Almost surely, 2^99451269 is an apocalyptic number.

It is an amenable number.

99451269 is a deficient number, since it is larger than the sum of its proper divisors (44666523).

99451269 is a wasteful number, since it uses less digits than its factorization.

99451269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35848 (or 35845 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 99451269 is about 9972.5257081644. The cubic root of 99451269 is about 463.3083311503.

The spelling of 99451269 in words is "ninety-nine million, four hundred fifty-one thousand, two hundred sixty-nine".