38320344901 has 2 divisors, whose sum is σ = 38320344902. Its totient is φ = 38320344900.

The previous prime is 38320344859. The next prime is 38320344911. The reversal of 38320344901 is 10944302383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32978196801 + 5342148100 = 181599^2 + 73090^2 .

It is a cyclic number.

It is not a de Polignac number, because 38320344901 - 2¹⁵ = 38320312133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38320344911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19160172450 + 19160172451.

It is an arithmetic number, because the mean of its divisors is an integer number (19160172451).

Almost surely, 2^38320344901 is an apocalyptic number.

It is an amenable number.

38320344901 is a deficient number, since it is larger than the sum of its proper divisors (1).

38320344901 is an equidigital number, since it uses as much as digits as its factorization.

38320344901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 38320344901 in words is "thirty-eight billion, three hundred twenty million, three hundred forty-four thousand, nine hundred one".