4640857905 has 16 divisors (see below), whose sum is σ = 7426226304. Its totient is φ = 2474839680.

The previous prime is 4640857877. The next prime is 4640857909. The reversal of 4640857905 is 5097580464.

It is not a de Polignac number, because 4640857905 - 2⁷ = 4640857777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4640857909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217212 + ... + 237618.

It is an arithmetic number, because the mean of its divisors is an integer number (464139144).

Almost surely, 2^4640857905 is an apocalyptic number.

It is an amenable number.

4640857905 is a deficient number, since it is larger than the sum of its proper divisors (2785368399).

4640857905 is a wasteful number, since it uses less digits than its factorization.

4640857905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35576.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 4640857905 is about 68123.8424121834. The cubic root of 4640857905 is about 1668.0129718956.

The spelling of 4640857905 in words is "four billion, six hundred forty million, eight hundred fifty-seven thousand, nine hundred five".