424199999 has 2 divisors, whose sum is σ = 424200000. Its totient is φ = 424199998.

The previous prime is 424199989. The next prime is 424200011. The reversal of 424199999 is 999991424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424199999 is a prime.

424199999 is a modest number, since divided by 99999 gives 4241 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424199989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212099999 + 212100000.

It is an arithmetic number, because the mean of its divisors is an integer number (212100000).

Almost surely, 2^424199999 is an apocalyptic number.

424199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

424199999 is an equidigital number, since it uses as much as digits as its factorization.

424199999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 56.

The square root of 424199999 is about 20596.1161144523. The cubic root of 424199999 is about 751.3752538795.

The spelling of 424199999 in words is "four hundred twenty-four million, one hundred ninety-nine thousand, nine hundred ninety-nine".