1430639999 has 2 divisors, whose sum is σ = 1430640000. Its totient is φ = 1430639998.

The previous prime is 1430639983. The next prime is 1430640007. The reversal of 1430639999 is 9999360341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1430639999 - 2⁴ = 1430639983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1430639999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430639939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715319999 + 715320000.

It is an arithmetic number, because the mean of its divisors is an integer number (715320000).

Almost surely, 2^1430639999 is an apocalyptic number.

1430639999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430639999 is an equidigital number, since it uses as much as digits as its factorization.

1430639999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The square root of 1430639999 is about 37823.8020167196. The cubic root of 1430639999 is about 1126.7912203235.

The spelling of 1430639999 in words is "one billion, four hundred thirty million, six hundred thirty-nine thousand, nine hundred ninety-nine".