1443490429 has 2 divisors, whose sum is σ = 1443490430. Its totient is φ = 1443490428.

The previous prime is 1443490427. The next prime is 1443490453. The reversal of 1443490429 is 9240943441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390171225 + 53319204 = 37285^2 + 7302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443490429 - 2¹ = 1443490427 is a prime.

It is a super-2 number, since 2×1443490429² = 4167329237229208082, which contains 22 as substring.

Together with 1443490427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1443490391 and 1443490400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443490423) 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 as a sum of consecutive naturals, namely, 721745214 + 721745215.

It is an arithmetic number, because the mean of its divisors is an integer number (721745215).

Almost surely, 2^1443490429 is an apocalyptic number.

It is an amenable number.

1443490429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443490429 is an equidigital number, since it uses as much as digits as its factorization.

1443490429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 1443490429 is about 37993.2945267978. The cubic root of 1443490429 is about 1130.1548927518.

The spelling of 1443490429 in words is "one billion, four hundred forty-three million, four hundred ninety thousand, four hundred twenty-nine".