38648649107 has 2 divisors, whose sum is σ = 38648649108. Its totient is φ = 38648649106.

The previous prime is 38648649079. The next prime is 38648649161. The reversal of 38648649107 is 70194684683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38648649107 - 2¹² = 38648645011 is a prime.

It is not a weakly prime, because it can be changed into another prime (38648649187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19324324553 + 19324324554.

It is an arithmetic number, because the mean of its divisors is an integer number (19324324554).

Almost surely, 2^38648649107 is an apocalyptic number.

38648649107 is a deficient number, since it is larger than the sum of its proper divisors (1).

38648649107 is an equidigital number, since it uses as much as digits as its factorization.

38648649107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 38648649107 in words is "thirty-eight billion, six hundred forty-eight million, six hundred forty-nine thousand, one hundred seven".