4642658817 has 4 divisors (see below), whose sum is σ = 6190211760. Its totient is φ = 3095105876.

The previous prime is 4642658803. The next prime is 4642658827. The reversal of 4642658817 is 7188562464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4642658817 - 2⁸ = 4642658561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4642658817.

It is not an unprimeable number, because it can be changed into a prime (4642658827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773776467 + ... + 773776472.

It is an arithmetic number, because the mean of its divisors is an integer number (1547552940).

Almost surely, 2^4642658817 is an apocalyptic number.

It is an amenable number.

4642658817 is a deficient number, since it is larger than the sum of its proper divisors (1547552943).

4642658817 is a wasteful number, since it uses less digits than its factorization.

4642658817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547552942.

The product of its digits is 2580480, while the sum is 51.

The square root of 4642658817 is about 68137.0590574615. The cubic root of 4642658817 is about 1668.2287047160.

The spelling of 4642658817 in words is "four billion, six hundred forty-two million, six hundred fifty-eight thousand, eight hundred seventeen".