37983782209 has 2 divisors, whose sum is σ = 37983782210. Its totient is φ = 37983782208.

The previous prime is 37983782203. The next prime is 37983782219. The reversal of 37983782209 is 90228738973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32838876225 + 5144905984 = 181215^2 + 71728^2 .

It is a cyclic number.

It is not a de Polignac number, because 37983782209 - 2²⁷ = 37849564481 is a prime.

It is not a weakly prime, because it can be changed into another prime (37983782203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18991891104 + 18991891105.

It is an arithmetic number, because the mean of its divisors is an integer number (18991891105).

Almost surely, 2^37983782209 is an apocalyptic number.

It is an amenable number.

37983782209 is a deficient number, since it is larger than the sum of its proper divisors (1).

37983782209 is an equidigital number, since it uses as much as digits as its factorization.

37983782209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 37983782209 in words is "thirty-seven billion, nine hundred eighty-three million, seven hundred eighty-two thousand, two hundred nine".