10403318943 has 16 divisors (see below), whose sum is σ = 15414104160. Its totient is φ = 6934745088.

The previous prime is 10403318927. The next prime is 10403318953. The reversal of 10403318943 is 34981330401.

It is not a de Polignac number, because 10403318943 - 2⁴ = 10403318927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10403318898 and 10403318907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403318953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301621 + ... + 334337.

It is an arithmetic number, because the mean of its divisors is an integer number (963381510).

Almost surely, 2^10403318943 is an apocalyptic number.

10403318943 is a deficient number, since it is larger than the sum of its proper divisors (5010785217).

10403318943 is a wasteful number, since it uses less digits than its factorization.

10403318943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44503 (or 44497 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 10403318943 in words is "ten billion, four hundred three million, three hundred eighteen thousand, nine hundred forty-three".