2089469647 has 4 divisors (see below), whose sum is σ = 2133926496. Its totient is φ = 2045012800.

The previous prime is 2089469621. The next prime is 2089469663. The reversal of 2089469647 is 7469649802.

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: 7469649802 = 2 ⋅3734824901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2089469647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089469617) 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, 22228354 + ... + 22228447.

It is an arithmetic number, because the mean of its divisors is an integer number (533481624).

Almost surely, 2^2089469647 is an apocalyptic number.

2089469647 is a deficient number, since it is larger than the sum of its proper divisors (44456849).

2089469647 is an equidigital number, since it uses as much as digits as its factorization.

2089469647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44456848.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 2089469647 is about 45710.7169819070. The cubic root of 2089469647 is about 1278.4351088698.

The spelling of 2089469647 in words is "two billion, eighty-nine million, four hundred sixty-nine thousand, six hundred forty-seven".