36681740722019 has 2 divisors, whose sum is σ = 36681740722020. Its totient is φ = 36681740722018.

The previous prime is 36681740721979. The next prime is 36681740722027. The reversal of 36681740722019 is 91022704718663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36681740722019 - 2⁴⁴ = 19089554677603 is a prime.

It is a super-2 number, since 2×36681740722019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36681740722919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18340870361009 + 18340870361010.

It is an arithmetic number, because the mean of its divisors is an integer number (18340870361010).

Almost surely, 2^{36681740722019} is an apocalyptic number.

36681740722019 is a deficient number, since it is larger than the sum of its proper divisors (1).

36681740722019 is an equidigital number, since it uses as much as digits as its factorization.

36681740722019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 36681740722019 in words is "thirty-six trillion, six hundred eighty-one billion, seven hundred forty million, seven hundred twenty-two thousand, nineteen".