4645387318 has 32 divisors (see below), whose sum is σ = 8190346752. Its totient is φ = 1948144800.

The previous prime is 4645387297. The next prime is 4645387319. The reversal of 4645387318 is 8137835464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645387319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085523 + ... + 1089793.

It is an arithmetic number, because the mean of its divisors is an integer number (255948336).

Almost surely, 2^4645387318 is an apocalyptic number.

4645387318 is a deficient number, since it is larger than the sum of its proper divisors (3544959434).

4645387318 is a wasteful number, since it uses less digits than its factorization.

4645387318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100.

The product of its digits is 1935360, while the sum is 49.

The square root of 4645387318 is about 68157.0782677779. The cubic root of 4645387318 is about 1668.5554479656. Note that the first 3 decimals are identical.

The spelling of 4645387318 in words is "four billion, six hundred forty-five million, three hundred eighty-seven thousand, three hundred eighteen".