4640575423 has 16 divisors (see below), whose sum is σ = 5109898752. Its totient is φ = 4214067000.

The previous prime is 4640575403. The next prime is 4640575453. The reversal of 4640575423 is 3245750464.

It is a de Polignac number, because none of the positive numbers 2^k-4640575423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640575403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972698 + ... + 1975048.

It is an arithmetic number, because the mean of its divisors is an integer number (319368672).

Almost surely, 2^4640575423 is an apocalyptic number.

4640575423 is a deficient number, since it is larger than the sum of its proper divisors (469323329).

4640575423 is a wasteful number, since it uses less digits than its factorization.

4640575423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

The square root of 4640575423 is about 68121.7690830178. The cubic root of 4640575423 is about 1667.9791280669.

The spelling of 4640575423 in words is "four billion, six hundred forty million, five hundred seventy-five thousand, four hundred twenty-three".