2689894547 has 8 divisors (see below), whose sum is σ = 2896398000. Its totient is φ = 2488754944.

The previous prime is 2689894523. The next prime is 2689894549. The reversal of 2689894547 is 7454989862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2689894547 - 2⁶ = 2689894483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2689894547.

It is not an unprimeable number, because it can be changed into a prime (2689894549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339922 + ... + 1341927.

It is an arithmetic number, because the mean of its divisors is an integer number (362049750).

Almost surely, 2^2689894547 is an apocalyptic number.

2689894547 is a deficient number, since it is larger than the sum of its proper divisors (206503453).

2689894547 is a wasteful number, since it uses less digits than its factorization.

2689894547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681925.

The product of its digits is 34836480, while the sum is 62.

The square root of 2689894547 is about 51864.1933032801. The cubic root of 2689894547 is about 1390.7372427397.

The spelling of 2689894547 in words is "two billion, six hundred eighty-nine million, eight hundred ninety-four thousand, five hundred forty-seven".