13305426645 has 16 divisors (see below), whose sum is σ = 24329923200. Its totient is φ = 6082480704.

The previous prime is 13305426623. The next prime is 13305426649. The reversal of 13305426645 is 54662450331.

It is not a de Polignac number, because 13305426645 - 2²⁹ = 12768555733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305426649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63359070 + ... + 63359279.

It is an arithmetic number, because the mean of its divisors is an integer number (1520620200).

Almost surely, 2^13305426645 is an apocalyptic number.

13305426645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13305426645 is a deficient number, since it is larger than the sum of its proper divisors (11024496555).

13305426645 is a wasteful number, since it uses less digits than its factorization.

13305426645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126718364.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 13305426645 its reverse (54662450331), we get a palindrome (67967876976).

The spelling of 13305426645 in words is "thirteen billion, three hundred five million, four hundred twenty-six thousand, six hundred forty-five".