4644007868338 has 8 divisors (see below), whose sum is σ = 6966023125932. Its totient is φ = 2322000159696.

The previous prime is 4644007868329. The next prime is 4644007868347. The reversal of 4644007868338 is 8338687004464.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4644007868329) and next prime (4644007868347).

It can be written as a sum of positive squares in 2 ways, for example, as 4508644949449 + 135362918889 = 2123357^2 + 367917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47356 + ... + 3047992.

Almost surely, 2^{4644007868338} is an apocalyptic number.

4644007868338 is a deficient number, since it is larger than the sum of its proper divisors (2322015257594).

4644007868338 is a wasteful number, since it uses less digits than its factorization.

4644007868338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774476.

The product of its (nonzero) digits is 74317824, while the sum is 61.

The spelling of 4644007868338 in words is "four trillion, six hundred forty-four billion, seven million, eight hundred sixty-eight thousand, three hundred thirty-eight".