1043409263903 has 8 divisors (see below), whose sum is σ = 1051439152896. Its totient is φ = 1035380359000.

The previous prime is 1043409263873. The next prime is 1043409263927. The reversal of 1043409263903 is 3093629043401.

It is a happy number.

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 1043409263903 - 2¹⁰ = 1043409262879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043409263003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958378 + ... + 2433528.

It is an arithmetic number, because the mean of its divisors is an integer number (131429894112).

Almost surely, 2^{1043409263903} is an apocalyptic number.

1043409263903 is a deficient number, since it is larger than the sum of its proper divisors (8029888993).

1043409263903 is a wasteful number, since it uses less digits than its factorization.

1043409263903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492045.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 1043409263903 in words is "one trillion, forty-three billion, four hundred nine million, two hundred sixty-three thousand, nine hundred three".