999424000001 has 16 divisors (see below), whose sum is σ = 1189478028288. Its totient is φ = 821678860800.

The previous prime is 999423999989. The next prime is 999424000013. The reversal of 999424000001 is 100000424999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (999423999989) and next prime (999424000013).

It is not a de Polignac number, because 999424000001 - 2¹⁸ = 999423737857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999424000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20354420 + ... + 20403461.

It is an arithmetic number, because the mean of its divisors is an integer number (74342376768).

It is a Proth number, since it is equal to 953125 ⋅ 2²⁰ + 1 and 953125 < 2²⁰.

Almost surely, 2^999424000001 is an apocalyptic number.

It is an amenable number.

999424000001 is a deficient number, since it is larger than the sum of its proper divisors (190054028287).

999424000001 is a wasteful number, since it uses less digits than its factorization.

999424000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40758032.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 999424000001 in words is "nine hundred ninety-nine billion, four hundred twenty-four million, one", and thus it is an aban number.