38648648953 has 2 divisors, whose sum is σ = 38648648954. Its totient is φ = 38648648952.

The previous prime is 38648648939. The next prime is 38648649041. The reversal of 38648648953 is 35984684683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36822539664 + 1826109289 = 191892^2 + 42733^2 .

It is a cyclic number.

It is not a de Polignac number, because 38648648953 - 2²⁵ = 38615094521 is a prime.

It is not a weakly prime, because it can be changed into another prime (38648648053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19324324476 + 19324324477.

It is an arithmetic number, because the mean of its divisors is an integer number (19324324477).

Almost surely, 2^38648648953 is an apocalyptic number.

It is an amenable number.

38648648953 is a deficient number, since it is larger than the sum of its proper divisors (1).

38648648953 is an equidigital number, since it uses as much as digits as its factorization.

38648648953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119439360, while the sum is 64.

The spelling of 38648648953 in words is "thirty-eight billion, six hundred forty-eight million, six hundred forty-eight thousand, nine hundred fifty-three".