451299969 has 48 divisors (see below), whose sum is σ = 713276928. Its totient is φ = 273862656.

The previous prime is 451299949. The next prime is 451300009. The reversal of 451299969 is 969992154.

It is not a de Polignac number, because 451299969 - 2⁸ = 451299713 is a prime.

It is a super-2 number, since 2×451299969² = 407343324038801922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (451299949) 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 47 ways as a sum of consecutive naturals, for example, 697204 + ... + 697850.

It is an arithmetic number, because the mean of its divisors is an integer number (14859936).

Almost surely, 2^451299969 is an apocalyptic number.

It is an amenable number.

451299969 is a deficient number, since it is larger than the sum of its proper divisors (261976959).

451299969 is a wasteful number, since it uses less digits than its factorization.

451299969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 811 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 451299969 is about 21243.8219019083. The cubic root of 451299969 is about 767.0466329735.

The spelling of 451299969 in words is "four hundred fifty-one million, two hundred ninety-nine thousand, nine hundred sixty-nine".