4638494358 has 48 divisors (see below), whose sum is σ = 10605207600. Its totient is φ = 1461162240.

The previous prime is 4638494327. The next prime is 4638494363. The reversal of 4638494358 is 8534948364.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 123298 + ... + 156458.

It is an arithmetic number, because the mean of its divisors is an integer number (220941825).

Almost surely, 2^4638494358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4638494358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5302603800).

4638494358 is an abundant number, since it is smaller than the sum of its proper divisors (5966713242).

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

4638494358 is a wasteful number, since it uses less digits than its factorization.

4638494358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33597 (or 33594 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The square root of 4638494358 is about 68106.4927741842. The cubic root of 4638494358 is about 1667.7297558318.

The spelling of 4638494358 in words is "four billion, six hundred thirty-eight million, four hundred ninety-four thousand, three hundred fifty-eight".