4645636338 has 32 divisors (see below), whose sum is σ = 10712578176. Its totient is φ = 1315577088.

The previous prime is 4645636337. The next prime is 4645636339. The reversal of 4645636338 is 8336365464.

It is an interprime number because it is at equal distance from previous prime (4645636337) and next prime (4645636339).

It is not an unprimeable number, because it can be changed into a prime (4645636337) 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, 484681 + ... + 494172.

It is an arithmetic number, because the mean of its divisors is an integer number (334768068).

Almost surely, 2^4645636338 is an apocalyptic number.

4645636338 is an abundant number, since it is smaller than the sum of its proper divisors (6066941838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4645636338 is a wasteful number, since it uses less digits than its factorization.

4645636338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978978.

The product of its digits is 3732480, while the sum is 48.

The square root of 4645636338 is about 68158.9050528249. The cubic root of 4645636338 is about 1668.5852622183.

The spelling of 4645636338 in words is "four billion, six hundred forty-five million, six hundred thirty-six thousand, three hundred thirty-eight".