13643124554 has 4 divisors (see below), whose sum is σ = 20464686834. Its totient is φ = 6821562276.

The previous prime is 13643124511. The next prime is 13643124577. The reversal of 13643124554 is 45542134631.

13643124554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 8207454025 + 5435670529 = 90595^2 + 73727^2 .

It is a super-2 number, since 2×13643124554² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3410781137 + ... + 3410781140.

Almost surely, 2^13643124554 is an apocalyptic number.

13643124554 is a deficient number, since it is larger than the sum of its proper divisors (6821562280).

13643124554 is an equidigital number, since it uses as much as digits as its factorization.

13643124554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821562279.

The product of its digits is 172800, while the sum is 38.

The spelling of 13643124554 in words is "thirteen billion, six hundred forty-three million, one hundred twenty-four thousand, five hundred fifty-four".