38653015538 has 4 divisors (see below), whose sum is σ = 57979523310. Its totient is φ = 19326507768.

The previous prime is 38653015523. The next prime is 38653015567. The reversal of 38653015538 is 83551035683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26680935649 + 11972079889 = 163343^2 + 109417^2 .

It is a super-2 number, since 2×38653015538² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38653015492 and 38653015501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9663253883 + ... + 9663253886.

Almost surely, 2^38653015538 is an apocalyptic number.

38653015538 is a deficient number, since it is larger than the sum of its proper divisors (19326507772).

38653015538 is a wasteful number, since it uses less digits than its factorization.

38653015538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19326507771.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 38653015538 in words is "thirty-eight billion, six hundred fifty-three million, fifteen thousand, five hundred thirty-eight".