99999000451 has 8 divisors (see below), whose sum is σ = 117072000864. Its totient is φ = 83622857280.

The previous prime is 99999000389. The next prime is 99999000469. The reversal of 99999000451 is 15400099999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99999000451 - 2⁹ = 99998999939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99999000392 and 99999000401.

It is not an unprimeable number, because it can be changed into a prime (99999004451) 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 in 7 ways as a sum of consecutive naturals, for example, 174214000 + ... + 174214573.

It is an arithmetic number, because the mean of its divisors is an integer number (14634000108).

Almost surely, 2^99999000451 is an apocalyptic number.

99999000451 is a deficient number, since it is larger than the sum of its proper divisors (17073000413).

99999000451 is a wasteful number, since it uses less digits than its factorization.

99999000451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348428621.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The spelling of 99999000451 in words is "ninety-nine billion, nine hundred ninety-nine million, four hundred fifty-one", and thus it is an aban number.