1443432494 has 16 divisors (see below), whose sum is σ = 2524956000. Its totient is φ = 618613632.

The previous prime is 1443432469. The next prime is 1443432517. The reversal of 1443432494 is 4942343441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051379 + ... + 1052750.

It is an arithmetic number, because the mean of its divisors is an integer number (157809750).

Almost surely, 2^1443432494 is an apocalyptic number.

1443432494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1443432494 is a deficient number, since it is larger than the sum of its proper divisors (1081523506).

1443432494 is an equidigital number, since it uses as much as digits as its factorization.

1443432494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104152 (or 2104138 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 1443432494 is about 37992.5320819763. The cubic root of 1443432494 is about 1130.1397728271.

The spelling of 1443432494 in words is "one billion, four hundred forty-three million, four hundred thirty-two thousand, four hundred ninety-four".