13103850491 has 4 divisors (see below), whose sum is σ = 13104902184. Its totient is φ = 13102798800.

The previous prime is 13103850457. The next prime is 13103850493. The reversal of 13103850491 is 19405830131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19405830131 = 8689 ⋅2233379.

It is a cyclic number.

It is not a de Polignac number, because 13103850491 - 2¹⁰ = 13103849467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103850493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506930 + ... + 532151.

It is an arithmetic number, because the mean of its divisors is an integer number (3276225546).

Almost surely, 2^13103850491 is an apocalyptic number.

13103850491 is a deficient number, since it is larger than the sum of its proper divisors (1051693).

13103850491 is a wasteful number, since it uses less digits than its factorization.

13103850491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051692.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 13103850491 in words is "thirteen billion, one hundred three million, eight hundred fifty thousand, four hundred ninety-one".