38648649079 has 2 divisors, whose sum is σ = 38648649080. Its totient is φ = 38648649078.

The previous prime is 38648649041. The next prime is 38648649107. The reversal of 38648649079 is 97094684683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38648649079 - 2²⁹ = 38111778167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38648649079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38648644079) by changing a digit.

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, 19324324539 + 19324324540.

It is an arithmetic number, because the mean of its divisors is an integer number (19324324540).

Almost surely, 2^38648649079 is an apocalyptic number.

38648649079 is a deficient number, since it is larger than the sum of its proper divisors (1).

38648649079 is an equidigital number, since it uses as much as digits as its factorization.

38648649079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 38648649079 in words is "thirty-eight billion, six hundred forty-eight million, six hundred forty-nine thousand, seventy-nine".