37832000221 has 2 divisors, whose sum is σ = 37832000222. Its totient is φ = 37832000220.

The previous prime is 37832000201. The next prime is 37832000251. The reversal of 37832000221 is 12200023873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19576207225 + 18255792996 = 139915^2 + 135114^2 .

It is an emirp because it is prime and its reverse (12200023873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37832000221 - 2²³ = 37823611613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37832000221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37832000201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18916000110 + 18916000111.

It is an arithmetic number, because the mean of its divisors is an integer number (18916000111).

Almost surely, 2^37832000221 is an apocalyptic number.

It is an amenable number.

37832000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

37832000221 is an equidigital number, since it uses as much as digits as its factorization.

37832000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 37832000221 in words is "thirty-seven billion, eight hundred thirty-two million, two hundred twenty-one", and thus it is an aban number.