38741942909 has 2 divisors, whose sum is σ = 38741942910. Its totient is φ = 38741942908.

The previous prime is 38741942903. The next prime is 38741942947. The reversal of 38741942909 is 90924914783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33371251684 + 5370691225 = 182678^2 + 73285^2 .

It is a cyclic number.

It is not a de Polignac number, because 38741942909 - 2¹² = 38741938813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38741942903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19370971454 + 19370971455.

It is an arithmetic number, because the mean of its divisors is an integer number (19370971455).

Almost surely, 2^38741942909 is an apocalyptic number.

It is an amenable number.

38741942909 is a deficient number, since it is larger than the sum of its proper divisors (1).

38741942909 is an equidigital number, since it uses as much as digits as its factorization.

38741942909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 38741942909 in words is "thirty-eight billion, seven hundred forty-one million, nine hundred forty-two thousand, nine hundred nine".