38662848657 has 6 divisors (see below), whose sum is σ = 55846336962. Its totient is φ = 25775232432.

The previous prime is 38662848643. The next prime is 38662848659. The reversal of 38662848657 is 75684826683.

38662848657 is a `hidden beast` number, since 3 + 86 + 6 + 28 + 486 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31998412161 + 6664436496 = 178881^2 + 81636^2 .

It is not a de Polignac number, because 38662848657 - 2⁴ = 38662848641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38662848594 and 38662848603.

It is not an unprimeable number, because it can be changed into a prime (38662848659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2147936028 + ... + 2147936045.

It is an arithmetic number, because the mean of its divisors is an integer number (9307722827).

Almost surely, 2^38662848657 is an apocalyptic number.

It is an amenable number.

38662848657 is a deficient number, since it is larger than the sum of its proper divisors (17183488305).

38662848657 is a wasteful number, since it uses less digits than its factorization.

38662848657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295872079 (or 4295872076 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 38662848657 in words is "thirty-eight billion, six hundred sixty-two million, eight hundred forty-eight thousand, six hundred fifty-seven".