1043488643 has 8 divisors (see below), whose sum is σ = 1093137600. Its totient is φ = 994750848.

The previous prime is 1043488627. The next prime is 1043488729. The reversal of 1043488643 is 3468843401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043488643 - 2⁴ = 1043488627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043488643.

It is not an unprimeable number, because it can be changed into a prime (1043488603) 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 7 ways as a sum of consecutive naturals, for example, 225446 + ... + 230027.

It is an arithmetic number, because the mean of its divisors is an integer number (136642200).

Almost surely, 2^1043488643 is an apocalyptic number.

1043488643 is a deficient number, since it is larger than the sum of its proper divisors (49648957).

1043488643 is an equidigital number, since it uses as much as digits as its factorization.

1043488643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455581.

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 1043488643 is about 32303.0748226852. The cubic root of 1043488643 is about 1014.2910085109.

The spelling of 1043488643 in words is "one billion, forty-three million, four hundred eighty-eight thousand, six hundred forty-three".