4749456689 has 4 divisors (see below), whose sum is σ = 4752257124. Its totient is φ = 4746656256.

The previous prime is 4749456653. The next prime is 4749456697. The reversal of 4749456689 is 9866549474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2324879089 + 2424577600 = 48217^2 + 49240^2 .

It is a cyclic number.

It is not a de Polignac number, because 4749456689 - 2⁸ = 4749456433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4749456629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397672 + ... + 1401065.

It is an arithmetic number, because the mean of its divisors is an integer number (1188064281).

Almost surely, 2^4749456689 is an apocalyptic number.

It is an amenable number.

4749456689 is a deficient number, since it is larger than the sum of its proper divisors (2800435).

4749456689 is a wasteful number, since it uses less digits than its factorization.

4749456689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800434.

The product of its digits is 52254720, while the sum is 62.

The square root of 4749456689 is about 68916.3020554644. The cubic root of 4749456689 is about 1680.9236097901.

The spelling of 4749456689 in words is "four billion, seven hundred forty-nine million, four hundred fifty-six thousand, six hundred eighty-nine".