999322340451 has 8 divisors (see below), whose sum is σ = 1333722157824. Its totient is φ = 665568708360.

The previous prime is 999322340383. The next prime is 999322340459. The reversal of 999322340451 is 154043223999.

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

It is not a de Polignac number, because 999322340451 - 2⁷ = 999322340323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999322340394 and 999322340403.

It is not an unprimeable number, because it can be changed into a prime (999322340459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161542711 + ... + 161548896.

It is an arithmetic number, because the mean of its divisors is an integer number (166715269728).

Almost surely, 2^999322340451 is an apocalyptic number.

999322340451 is a deficient number, since it is larger than the sum of its proper divisors (334399817373).

999322340451 is a wasteful number, since it uses less digits than its factorization.

999322340451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323092641.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 999322340451 in words is "nine hundred ninety-nine billion, three hundred twenty-two million, three hundred forty thousand, four hundred fifty-one".