4966288638 has 16 divisors (see below), whose sum is σ = 9935431056. Its totient is φ = 1654953920.

The previous prime is 4966288633. The next prime is 4966288661. The reversal of 4966288638 is 8368826694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4966288633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95943 + ... + 138338.

It is an arithmetic number, because the mean of its divisors is an integer number (620964441).

Almost surely, 2^4966288638 is an apocalyptic number.

4966288638 is an abundant number, since it is smaller than the sum of its proper divisors (4969142418).

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

4966288638 is a wasteful number, since it uses less digits than its factorization.

4966288638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237819.

The product of its digits is 23887872, while the sum is 60.

The square root of 4966288638 is about 70471.8996338257. The cubic root of 4966288638 is about 1706.1242360256.

The spelling of 4966288638 in words is "four billion, nine hundred sixty-six million, two hundred eighty-eight thousand, six hundred thirty-eight".