13263243254 has 4 divisors (see below), whose sum is σ = 19894864884. Its totient is φ = 6631621626.

The previous prime is 13263243211. The next prime is 13263243313. The reversal of 13263243254 is 45234236231.

It is a happy number.

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

It is a super-2 number, since 2×13263243254² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315810812 + ... + 3315810815.

It is an arithmetic number, because the mean of its divisors is an integer number (4973716221).

Almost surely, 2^13263243254 is an apocalyptic number.

13263243254 is a deficient number, since it is larger than the sum of its proper divisors (6631621630).

13263243254 is an equidigital number, since it uses as much as digits as its factorization.

13263243254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631621629.

The product of its digits is 103680, while the sum is 35.

Adding to 13263243254 its reverse (45234236231), we get a palindrome (58497479485).

The spelling of 13263243254 in words is "thirteen billion, two hundred sixty-three million, two hundred forty-three thousand, two hundred fifty-four".