36667850981 has 2 divisors, whose sum is σ = 36667850982. Its totient is φ = 36667850980.

The previous prime is 36667850911. The next prime is 36667851007. The reversal of 36667850981 is 18905876663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22894716100 + 13773134881 = 151310^2 + 117359^2 .

It is a cyclic number.

It is not a de Polignac number, because 36667850981 - 2¹⁰ = 36667849957 is a prime.

It is a super-2 number, since 2×36667850981² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36667850981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36667850911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18333925490 + 18333925491.

It is an arithmetic number, because the mean of its divisors is an integer number (18333925491).

Almost surely, 2^36667850981 is an apocalyptic number.

It is an amenable number.

36667850981 is a deficient number, since it is larger than the sum of its proper divisors (1).

36667850981 is an equidigital number, since it uses as much as digits as its factorization.

36667850981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 36667850981 in words is "thirty-six billion, six hundred sixty-seven million, eight hundred fifty thousand, nine hundred eighty-one".