2037682572181 has 2 divisors, whose sum is σ = 2037682572182. Its totient is φ = 2037682572180.

The previous prime is 2037682572161. The next prime is 2037682572203. The reversal of 2037682572181 is 1812752867302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1166896852900 + 870785719281 = 1080230^2 + 933159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2037682572181 is a prime.

It is a super-2 number, since 2×2037682572181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2037682572161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018841286090 + 1018841286091.

It is an arithmetic number, because the mean of its divisors is an integer number (1018841286091).

Almost surely, 2^{2037682572181} is an apocalyptic number.

It is an amenable number.

2037682572181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037682572181 is an equidigital number, since it uses as much as digits as its factorization.

2037682572181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 2037682572181 in words is "two trillion, thirty-seven billion, six hundred eighty-two million, five hundred seventy-two thousand, one hundred eighty-one".