4640553609 has 8 divisors (see below), whose sum is σ = 6292276320. Its totient is φ = 3041266656.

The previous prime is 4640553607. The next prime is 4640553613. The reversal of 4640553609 is 9063550464.

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

It is not a de Polignac number, because 4640553609 - 2¹ = 4640553607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4640553607) 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, 13108732 + ... + 13109085.

It is an arithmetic number, because the mean of its divisors is an integer number (786534540).

Almost surely, 2^4640553609 is an apocalyptic number.

It is an amenable number.

4640553609 is a deficient number, since it is larger than the sum of its proper divisors (1651722711).

4640553609 is a wasteful number, since it uses less digits than its factorization.

4640553609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26217879.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 4640553609 is about 68121.6089724839. The cubic root of 4640553609 is about 1667.9765145006.

The spelling of 4640553609 in words is "four billion, six hundred forty million, five hundred fifty-three thousand, six hundred nine".