4745686309 has 24 divisors (see below), whose sum is σ = 5971290360. Its totient is φ = 3738317184.

The previous prime is 4745686277. The next prime is 4745686369. The reversal of 4745686309 is 9036865474.

It can be written as a sum of positive squares in 4 ways, for example, as 548590084 + 4197096225 = 23422^2 + 64785^2 .

It is not a de Polignac number, because 4745686309 - 2⁵ = 4745686277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4745686369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129607 + ... + 162139.

It is an arithmetic number, because the mean of its divisors is an integer number (248803765).

Almost surely, 2^4745686309 is an apocalyptic number.

4745686309 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4745686309 is a deficient number, since it is larger than the sum of its proper divisors (1225604051).

4745686309 is a wasteful number, since it uses less digits than its factorization.

4745686309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32789 (or 32782 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 4745686309 is about 68888.9418484563. The cubic root of 4745686309 is about 1680.4786888239.

The spelling of 4745686309 in words is "four billion, seven hundred forty-five million, six hundred eighty-six thousand, three hundred nine".