4642836309 has 12 divisors (see below), whose sum is σ = 6740363916. Its totient is φ = 3079511232.

The previous prime is 4642836301. The next prime is 4642836313. The reversal of 4642836309 is 9036382464.

4642836309 is a `hidden beast` number, since 4 + 6 + 4 + 2 + 8 + 3 + 630 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3791480625 + 851355684 = 61575^2 + 29178^2 .

It is not a de Polignac number, because 4642836309 - 2³ = 4642836301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642836301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1307544 + ... + 1311089.

It is an arithmetic number, because the mean of its divisors is an integer number (561696993).

Almost surely, 2^4642836309 is an apocalyptic number.

It is an amenable number.

4642836309 is a deficient number, since it is larger than the sum of its proper divisors (2097527607).

4642836309 is a wasteful number, since it uses less digits than its factorization.

4642836309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618836 (or 2618833 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 4642836309 is about 68138.3615080375. The cubic root of 4642836309 is about 1668.2499636173.

The spelling of 4642836309 in words is "four billion, six hundred forty-two million, eight hundred thirty-six thousand, three hundred nine".