412643999 has 4 divisors (see below), whose sum is σ = 413367240. Its totient is φ = 411920760.

The previous prime is 412643993. The next prime is 412644019. The reversal of 412643999 is 999346214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999346214 = 2 ⋅499673107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412643999 is a prime.

It is a super-3 number, since 3×412643999³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412643993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360764 + ... + 361905.

It is an arithmetic number, because the mean of its divisors is an integer number (103341810).

Almost surely, 2^412643999 is an apocalyptic number.

412643999 is a deficient number, since it is larger than the sum of its proper divisors (723241).

412643999 is an equidigital number, since it uses as much as digits as its factorization.

412643999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723240.

The product of its digits is 419904, while the sum is 47.

The square root of 412643999 is about 20313.6407125852. The cubic root of 412643999 is about 744.4893872119.

The spelling of 412643999 in words is "four hundred twelve million, six hundred forty-three thousand, nine hundred ninety-nine".