1430668933 has 4 divisors (see below), whose sum is σ = 1430896428. Its totient is φ = 1430441440.

The previous prime is 1430668823. The next prime is 1430668951. The reversal of 1430668933 is 3398660341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3398660341 = 1597 ⋅2128153.

It can be written as a sum of positive squares in 2 ways, for example, as 991431169 + 439237764 = 31487^2 + 20958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430668933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1430668933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430698933) 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 in 3 ways as a sum of consecutive naturals, for example, 104038 + ... + 116983.

It is an arithmetic number, because the mean of its divisors is an integer number (357724107).

Almost surely, 2^1430668933 is an apocalyptic number.

It is an amenable number.

1430668933 is a deficient number, since it is larger than the sum of its proper divisors (227495).

1430668933 is an equidigital number, since it uses as much as digits as its factorization.

1430668933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227494.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 1430668933 is about 37824.1844988098. The cubic root of 1430668933 is about 1126.7988165409.

The spelling of 1430668933 in words is "one billion, four hundred thirty million, six hundred sixty-eight thousand, nine hundred thirty-three".