38851688522 has 4 divisors (see below), whose sum is σ = 58277532786. Its totient is φ = 19425844260.

The previous prime is 38851688501. The next prime is 38851688567. The reversal of 38851688522 is 22588615883.

38851688522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22588615883 = 4259 ⋅5303737.

It can be written as a sum of positive squares in only one way, i.e., 31812646321 + 7039042201 = 178361^2 + 83899^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9712922129 + ... + 9712922132.

Almost surely, 2^38851688522 is an apocalyptic number.

38851688522 is a deficient number, since it is larger than the sum of its proper divisors (19425844264).

38851688522 is a wasteful number, since it uses less digits than its factorization.

38851688522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425844263.

The product of its digits is 7372800, while the sum is 56.

The spelling of 38851688522 in words is "thirty-eight billion, eight hundred fifty-one million, six hundred eighty-eight thousand, five hundred twenty-two".