38903922389 has 2 divisors, whose sum is σ = 38903922390. Its totient is φ = 38903922388.

The previous prime is 38903922377. The next prime is 38903922413. The reversal of 38903922389 is 98322930983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28837813489 + 10066108900 = 169817^2 + 100330^2 .

It is a cyclic number.

It is not a de Polignac number, because 38903922389 - 2⁸ = 38903922133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38903922349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19451961194 + 19451961195.

It is an arithmetic number, because the mean of its divisors is an integer number (19451961195).

Almost surely, 2^38903922389 is an apocalyptic number.

It is an amenable number.

38903922389 is a deficient number, since it is larger than the sum of its proper divisors (1).

38903922389 is an equidigital number, since it uses as much as digits as its factorization.

38903922389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 38903922389 in words is "thirty-eight billion, nine hundred three million, nine hundred twenty-two thousand, three hundred eighty-nine".