38215682506 has 8 divisors (see below), whose sum is σ = 57329885700. Its totient is φ = 19105720608.

The previous prime is 38215682503. The next prime is 38215682521. The reversal of 38215682506 is 60528651283.

It can be written as a sum of positive squares in 2 ways, for example, as 36624390625 + 1591291881 = 191375^2 + 39891^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38215682501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1037701 + ... + 1073896.

Almost surely, 2^38215682506 is an apocalyptic number.

38215682506 is a deficient number, since it is larger than the sum of its proper divisors (19114203194).

38215682506 is a wasteful number, since it uses less digits than its factorization.

38215682506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120648.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 38215682506 in words is "thirty-eight billion, two hundred fifteen million, six hundred eighty-two thousand, five hundred six".