1430042019 has 12 divisors (see below), whose sum is σ = 2218024584. Its totient is φ = 817166784.

The previous prime is 1430042017. The next prime is 1430042051. The reversal of 1430042019 is 9102400341.

It is not a de Polignac number, because 1430042019 - 2¹ = 1430042017 is a prime.

It is a super-2 number, since 2×1430042019² = 4090040352211192722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1430042019.

It is not an unprimeable number, because it can be changed into a prime (1430042017) 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 11 ways as a sum of consecutive naturals, for example, 4863942 + ... + 4864235.

It is an arithmetic number, because the mean of its divisors is an integer number (184835382).

Almost surely, 2^1430042019 is an apocalyptic number.

1430042019 is a deficient number, since it is larger than the sum of its proper divisors (787982565).

1430042019 is an equidigital number, since it uses as much as digits as its factorization.

1430042019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728194 (or 9728187 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1430042019 is about 37815.8963796973. The cubic root of 1430042019 is about 1126.6342060934.

The spelling of 1430042019 in words is "one billion, four hundred thirty million, forty-two thousand, nineteen".