4640643195 has 8 divisors (see below), whose sum is σ = 7425029136. Its totient is φ = 2475009696.

The previous prime is 4640643181. The next prime is 4640643211. The reversal of 4640643195 is 5913460464.

It is a happy number.

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

It is not a de Polignac number, because 4640643195 - 2⁷ = 4640643067 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154688092 + ... + 154688121.

It is an arithmetic number, because the mean of its divisors is an integer number (928128642).

Almost surely, 2^4640643195 is an apocalyptic number.

4640643195 is a deficient number, since it is larger than the sum of its proper divisors (2784385941).

4640643195 is a wasteful number, since it uses less digits than its factorization.

4640643195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309376221.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 4640643195 is about 68122.2665139674. The cubic root of 4640643195 is about 1667.9872478739.

The spelling of 4640643195 in words is "four billion, six hundred forty million, six hundred forty-three thousand, one hundred ninety-five".