13263010643 has 4 divisors (see below), whose sum is σ = 13690849728. Its totient is φ = 12835171560.

The previous prime is 13263010613. The next prime is 13263010711. The reversal of 13263010643 is 34601036231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13263010643 - 2¹⁰ = 13263009619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13263010613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213919496 + ... + 213919557.

It is an arithmetic number, because the mean of its divisors is an integer number (3422712432).

Almost surely, 2^13263010643 is an apocalyptic number.

13263010643 is a deficient number, since it is larger than the sum of its proper divisors (427839085).

13263010643 is an equidigital number, since it uses as much as digits as its factorization.

13263010643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427839084.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13263010643 its reverse (34601036231), we get a palindrome (47864046874).

The spelling of 13263010643 in words is "thirteen billion, two hundred sixty-three million, ten thousand, six hundred forty-three".