4642645657203 has 6 divisors (see below), whose sum is σ = 6706043727084. Its totient is φ = 3095097104796.

The previous prime is 4642645657201. The next prime is 4642645657229. The reversal of 4642645657203 is 3027565462464.

4642645657203 is a `hidden beast` number, since 4 + 6 + 4 + 2 + 6 + 4 + 565 + 72 + 0 + 3 = 666.

It is not a de Polignac number, because 4642645657203 - 2¹ = 4642645657201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4642645657203.

It is not an unprimeable number, because it can be changed into a prime (4642645657201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257924758725 + ... + 257924758742.

It is an arithmetic number, because the mean of its divisors is an integer number (1117673954514).

Almost surely, 2^{4642645657203} is an apocalyptic number.

4642645657203 is a deficient number, since it is larger than the sum of its proper divisors (2063398069881).

4642645657203 is a wasteful number, since it uses less digits than its factorization.

4642645657203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515849517473 (or 515849517470 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 54.

The spelling of 4642645657203 in words is "four trillion, six hundred forty-two billion, six hundred forty-five million, six hundred fifty-seven thousand, two hundred three".