38812622249 has 2 divisors, whose sum is σ = 38812622250. Its totient is φ = 38812622248.

The previous prime is 38812622213. The next prime is 38812622257. The reversal of 38812622249 is 94222621883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26922246400 + 11890375849 = 164080^2 + 109043^2 .

It is a cyclic number.

It is not a de Polignac number, because 38812622249 - 2⁸ = 38812621993 is a prime.

It is not a weakly prime, because it can be changed into another prime (38812622269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19406311124 + 19406311125.

It is an arithmetic number, because the mean of its divisors is an integer number (19406311125).

Almost surely, 2^38812622249 is an apocalyptic number.

It is an amenable number.

38812622249 is a deficient number, since it is larger than the sum of its proper divisors (1).

38812622249 is an equidigital number, since it uses as much as digits as its factorization.

38812622249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 47.

The spelling of 38812622249 in words is "thirty-eight billion, eight hundred twelve million, six hundred twenty-two thousand, two hundred forty-nine".