4640813858 has 16 divisors (see below), whose sum is σ = 7084899360. Its totient is φ = 2279244096.

The previous prime is 4640813843. The next prime is 4640813873. The reversal of 4640813858 is 8583180464.

It is an interprime number because it is at equal distance from previous prime (4640813843) and next prime (4640813873).

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, 137885 + ... + 168207.

It is an arithmetic number, because the mean of its divisors is an integer number (442806210).

Almost surely, 2^4640813858 is an apocalyptic number.

4640813858 is a deficient number, since it is larger than the sum of its proper divisors (2444085502).

4640813858 is a wasteful number, since it uses less digits than its factorization.

4640813858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31681.

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 4640813858 is about 68123.5191251891. The cubic root of 4640813858 is about 1668.0076947679.

The spelling of 4640813858 in words is "four billion, six hundred forty million, eight hundred thirteen thousand, eight hundred fifty-eight".