37853704121 has 2 divisors, whose sum is σ = 37853704122. Its totient is φ = 37853704120.

The previous prime is 37853704117. The next prime is 37853704151. The reversal of 37853704121 is 12140735873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32376964096 + 5476740025 = 179936^2 + 74005^2 .

It is a cyclic number.

It is not a de Polignac number, because 37853704121 - 2² = 37853704117 is a prime.

It is not a weakly prime, because it can be changed into another prime (37853704111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18926852060 + 18926852061.

It is an arithmetic number, because the mean of its divisors is an integer number (18926852061).

Almost surely, 2^37853704121 is an apocalyptic number.

It is an amenable number.

37853704121 is a deficient number, since it is larger than the sum of its proper divisors (1).

37853704121 is an equidigital number, since it uses as much as digits as its factorization.

37853704121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 37853704121 in words is "thirty-seven billion, eight hundred fifty-three million, seven hundred four thousand, one hundred twenty-one".