37363882181 has 2 divisors, whose sum is σ = 37363882182. Its totient is φ = 37363882180.

The previous prime is 37363882163. The next prime is 37363882183. The reversal of 37363882181 is 18128836373.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37208481025 + 155401156 = 192895^2 + 12466^2 .

It is an emirp because it is prime and its reverse (18128836373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37363882181 - 2²⁶ = 37296773317 is a prime.

It is a super-2 number, since 2×37363882181² (a number of 22 digits) contains 22 as substring.

Together with 37363882183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37363882183) 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, 18681941090 + 18681941091.

It is an arithmetic number, because the mean of its divisors is an integer number (18681941091).

Almost surely, 2^37363882181 is an apocalyptic number.

It is an amenable number.

37363882181 is a deficient number, since it is larger than the sum of its proper divisors (1).

37363882181 is an equidigital number, since it uses as much as digits as its factorization.

37363882181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The spelling of 37363882181 in words is "thirty-seven billion, three hundred sixty-three million, eight hundred eighty-two thousand, one hundred eighty-one".