4639734409 has 8 divisors (see below), whose sum is σ = 4850326080. Its totient is φ = 4429881456.

The previous prime is 4639734371. The next prime is 4639734413. The reversal of 4639734409 is 9044379364.

It is a happy number.

4639734409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4639734409 - 2²⁹ = 4102863497 is a prime.

It is a super-3 number, since 3×4639734409³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4639734499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171814 + ... + 196975.

It is an arithmetic number, because the mean of its divisors is an integer number (606290760).

Almost surely, 2^4639734409 is an apocalyptic number.

It is an amenable number.

4639734409 is a deficient number, since it is larger than the sum of its proper divisors (210591671).

4639734409 is a wasteful number, since it uses less digits than its factorization.

4639734409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369359.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The square root of 4639734409 is about 68115.5959307411. The cubic root of 4639734409 is about 1667.8783590586.

The spelling of 4639734409 in words is "four billion, six hundred thirty-nine million, seven hundred thirty-four thousand, four hundred nine".