2689916753 has 4 divisors (see below), whose sum is σ = 2690125620. Its totient is φ = 2689707888.

The previous prime is 2689916743. The next prime is 2689916809. The reversal of 2689916753 is 3576199862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3576199862 = 2 ⋅1788099931.

It can be written as a sum of positive squares in 2 ways, for example, as 1309571344 + 1380345409 = 36188^2 + 37153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2689916753 - 2⁶ = 2689916689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689916743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83750 + ... + 111327.

It is an arithmetic number, because the mean of its divisors is an integer number (672531405).

Almost surely, 2^2689916753 is an apocalyptic number.

It is an amenable number.

2689916753 is a deficient number, since it is larger than the sum of its proper divisors (208867).

2689916753 is a wasteful number, since it uses less digits than its factorization.

2689916753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208866.

The product of its digits is 4898880, while the sum is 56.

The square root of 2689916753 is about 51864.4073811704. The cubic root of 2689916753 is about 1390.7410697332.

The spelling of 2689916753 in words is "two billion, six hundred eighty-nine million, nine hundred sixteen thousand, seven hundred fifty-three".