37820285689 has 2 divisors, whose sum is σ = 37820285690. Its totient is φ = 37820285688.

The previous prime is 37820285653. The next prime is 37820285743. The reversal of 37820285689 is 98658202873.

37820285689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25006045689 + 12814240000 = 158133^2 + 113200^2 .

It is a cyclic number.

It is not a de Polignac number, because 37820285689 - 2¹⁹ = 37819761401 is a prime.

It is not a weakly prime, because it can be changed into another prime (37820285639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18910142844 + 18910142845.

It is an arithmetic number, because the mean of its divisors is an integer number (18910142845).

Almost surely, 2^37820285689 is an apocalyptic number.

It is an amenable number.

37820285689 is a deficient number, since it is larger than the sum of its proper divisors (1).

37820285689 is an equidigital number, since it uses as much as digits as its factorization.

37820285689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 37820285689 in words is "thirty-seven billion, eight hundred twenty million, two hundred eighty-five thousand, six hundred eighty-nine".