5638358133850 has 24 divisors (see below), whose sum is σ = 11294065063260. Its totient is φ = 2081855310720.

The previous prime is 5638358133817. The next prime is 5638358133851. The reversal of 5638358133850 is 583318538365.

It can be written as a sum of positive squares in 6 ways, for example, as 2122886882169 + 3515471251681 = 1457013^2 + 1874959^2 .

It is not an unprimeable number, because it can be changed into a prime (5638358133851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4337197915 + ... + 4337199214.

Almost surely, 2^{5638358133850} is an apocalyptic number.

5638358133850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5638358133850 is an abundant number, since it is smaller than the sum of its proper divisors (5655706929410).

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

5638358133850 is a wasteful number, since it uses less digits than its factorization.

5638358133850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674397154 (or 8674397149 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 58.

The spelling of 5638358133850 in words is "five trillion, six hundred thirty-eight billion, three hundred fifty-eight million, one hundred thirty-three thousand, eight hundred fifty".