13345406544636 has 48 divisors (see below), whose sum is σ = 35115608174080. Its totient is φ = 4382073788400.

The previous prime is 13345406544601. The next prime is 13345406544683. The reversal of 13345406544636 is 63644560454331.

13345406544636 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 540 + 6 + 54 + 46 + 3 + 6 = 666.

It is a super-2 number, since 2×13345406544636² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922146340 + ... + 922160811.

Almost surely, 2^{13345406544636} is an apocalyptic number.

It is an amenable number.

13345406544636 is an abundant number, since it is smaller than the sum of its proper divisors (21770201629444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13345406544636 is a wasteful number, since it uses less digits than its factorization.

13345406544636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844307231 (or 1844307223 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 54.

Adding to 13345406544636 its reverse (63644560454331), we get a palindrome (76989966998967).

The spelling of 13345406544636 in words is "thirteen trillion, three hundred forty-five billion, four hundred six million, five hundred forty-four thousand, six hundred thirty-six".