10643306440403 has 32 divisors (see below), whose sum is σ = 13191281596416. Its totient is φ = 8362250327808.

The previous prime is 10643306440381. The next prime is 10643306440453. The reversal of 10643306440403 is 30404460334601.

It is not a de Polignac number, because 10643306440403 - 2⁸ = 10643306440147 is a prime.

It is a super-2 number, since 2×10643306440403² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643306440453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6780626 + ... + 8201432.

It is an arithmetic number, because the mean of its divisors is an integer number (412227549888).

Almost surely, 2^{10643306440403} is an apocalyptic number.

10643306440403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10643306440403 is a deficient number, since it is larger than the sum of its proper divisors (2547975156013).

10643306440403 is a wasteful number, since it uses less digits than its factorization.

10643306440403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421403.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 10643306440403 in words is "ten trillion, six hundred forty-three billion, three hundred six million, four hundred forty thousand, four hundred three".