1428432199 has 2 divisors, whose sum is σ = 1428432200. Its totient is φ = 1428432198.

The previous prime is 1428432121. The next prime is 1428432223. The reversal of 1428432199 is 9912348241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1428432199 - 2²³ = 1420043591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428432899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714216099 + 714216100.

It is an arithmetic number, because the mean of its divisors is an integer number (714216100).

Almost surely, 2^1428432199 is an apocalyptic number.

1428432199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428432199 is an equidigital number, since it uses as much as digits as its factorization.

1428432199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 1428432199 is about 37794.6054219382. The cubic root of 1428432199 is about 1126.2112909526.

The spelling of 1428432199 in words is "one billion, four hundred twenty-eight million, four hundred thirty-two thousand, one hundred ninety-nine".