13103044643 has 8 divisors (see below), whose sum is σ = 14132328336. Its totient is φ = 12076812000.

The previous prime is 13103044579. The next prime is 13103044679. The reversal of 13103044643 is 34644030131.

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 13103044643 - 2⁶ = 13103044579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103043643) by changing a digit.

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, 753833 + ... + 771018.

It is an arithmetic number, because the mean of its divisors is an integer number (1766541042).

Almost surely, 2^13103044643 is an apocalyptic number.

13103044643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13103044643 is a deficient number, since it is larger than the sum of its proper divisors (1029283693).

13103044643 is a wasteful number, since it uses less digits than its factorization.

13103044643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525525.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13103044643 its reverse (34644030131), we get a palindrome (47747074774).

The spelling of 13103044643 in words is "thirteen billion, one hundred three million, forty-four thousand, six hundred forty-three".