2252747689 has 4 divisors (see below), whose sum is σ = 2253580756. Its totient is φ = 2251914624.

The previous prime is 2252747681. The next prime is 2252747713. The reversal of 2252747689 is 9867472522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9867472522 = 2 ⋅4933736261.

It can be written as a sum of positive squares in 2 ways, for example, as 1475174464 + 777573225 = 38408^2 + 27885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252747689 - 2³ = 2252747681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252747681) 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, 412464 + ... + 417889.

It is an arithmetic number, because the mean of its divisors is an integer number (563395189).

Almost surely, 2^2252747689 is an apocalyptic number.

It is an amenable number.

2252747689 is a deficient number, since it is larger than the sum of its proper divisors (833067).

2252747689 is an equidigital number, since it uses as much as digits as its factorization.

2252747689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833066.

The product of its digits is 3386880, while the sum is 52.

The square root of 2252747689 is about 47463.1192506350. The cubic root of 2252747689 is about 1310.9038862170.

The spelling of 2252747689 in words is "two billion, two hundred fifty-two million, seven hundred forty-seven thousand, six hundred eighty-nine".