13119847469689 has 27 divisors (see below), whose sum is σ = 13636431046287. Its totient is φ = 12622409078400.

The previous prime is 13119847469683. The next prime is 13119847469699. The reversal of 13119847469689 is 98696474891131.

It is a happy number.

The square root of 13119847469689 is 3622133.

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

It can be written as a sum of positive squares in only one way, i.e., 5330211125625 + 7789636344064 = 2308725^2 + 2790992^2 .

It is not a de Polignac number, because 13119847469689 - 2¹⁵ = 13119847436921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13119847469683) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37166706537 + ... + 37166706889.

Almost surely, 2^{13119847469689} is an apocalyptic number.

13119847469689 is the 3622133-rd square number.

13119847469689 is the 1811067-th centered octagonal number.

It is an amenable number.

13119847469689 is a deficient number, since it is larger than the sum of its proper divisors (516583576598).

13119847469689 is an frugal number, since it uses more digits than its factorization.

13119847469689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 715 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 76.

The spelling of 13119847469689 in words is "thirteen trillion, one hundred nineteen billion, eight hundred forty-seven million, four hundred sixty-nine thousand, six hundred eighty-nine".