4640538847 has 8 divisors (see below), whose sum is σ = 5304857600. Its totient is φ = 3976566264.

The previous prime is 4640538821. The next prime is 4640538863. The reversal of 4640538847 is 7488350464.

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 4640538847 - 2¹¹ = 4640536799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4640538847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640538817) 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, 57147 + ... + 112012.

It is an arithmetic number, because the mean of its divisors is an integer number (663107200).

Almost surely, 2^4640538847 is an apocalyptic number.

4640538847 is a deficient number, since it is larger than the sum of its proper divisors (664318753).

4640538847 is a wasteful number, since it uses less digits than its factorization.

4640538847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173085.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The square root of 4640538847 is about 68121.5006220503. The cubic root of 4640538847 is about 1667.9747458399.

The spelling of 4640538847 in words is "four billion, six hundred forty million, five hundred thirty-eight thousand, eight hundred forty-seven".