13554747361 has 4 divisors (see below), whose sum is σ = 13568129172. Its totient is φ = 13541365552.

The previous prime is 13554747329. The next prime is 13554747373. The reversal of 13554747361 is 16374745531.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 457318225 + 13097429136 = 21385^2 + 114444^2 .

It is a cyclic number.

It is not a de Polignac number, because 13554747361 - 2⁵ = 13554747329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13554747301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689386 + ... + 6691411.

It is an arithmetic number, because the mean of its divisors is an integer number (3392032293).

Almost surely, 2^13554747361 is an apocalyptic number.

It is an amenable number.

13554747361 is a deficient number, since it is larger than the sum of its proper divisors (13381811).

13554747361 is a wasteful number, since it uses less digits than its factorization.

13554747361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381810.

The product of its digits is 1058400, while the sum is 46.

The spelling of 13554747361 in words is "thirteen billion, five hundred fifty-four million, seven hundred forty-seven thousand, three hundred sixty-one".