38636718850 has 24 divisors (see below), whose sum is σ = 74342379060. Its totient is φ = 14921766720.

The previous prime is 38636718847. The next prime is 38636718853. The reversal of 38636718850 is 5881763683.

It is an interprime number because it is at equal distance from previous prime (38636718847) and next prime (38636718853).

It can be written as a sum of positive squares in 6 ways, for example, as 9273497401 + 29363221449 = 96299^2 + 171357^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38636718791 and 38636718800.

It is not an unprimeable number, because it can be changed into a prime (38636718853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13321557 + ... + 13324456.

Almost surely, 2^38636718850 is an apocalyptic number.

38636718850 is a deficient number, since it is larger than the sum of its proper divisors (35705660210).

38636718850 is a wasteful number, since it uses less digits than its factorization.

38636718850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26646054 (or 26646049 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 38636718850 in words is "thirty-eight billion, six hundred thirty-six million, seven hundred eighteen thousand, eight hundred fifty".