13751549289 has 9 divisors (see below), whose sum is σ = 19863857143. Its totient is φ = 9167464992.

The previous prime is 13751549267. The next prime is 13751549291. The reversal of 13751549289 is 98294515731.

It is a happy number.

The square root of 13751549289 is 117267.

It is a perfect power (a square), and thus also a powerful number.

13751549289 is a `hidden beast` number, since 1 + 3 + 7 + 515 + 49 + 2 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4419989289 + 9331560000 = 66483^2 + 96600^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 13751549289 - 2⁹ = 13751548777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13751549249) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 332257 + ... + 371345.

Almost surely, 2^13751549289 is an apocalyptic number.

13751549289 is the 117267-th square number.

13751549289 is the 58634-th centered octagonal number.

It is an amenable number.

13751549289 is a deficient number, since it is larger than the sum of its proper divisors (6112307854).

13751549289 is an frugal number, since it uses more digits than its factorization.

13751549289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78184 (or 39092 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 13751549289 in words is "thirteen billion, seven hundred fifty-one million, five hundred forty-nine thousand, two hundred eighty-nine".