36540760498681 has 2 divisors, whose sum is σ = 36540760498682. Its totient is φ = 36540760498680.

The previous prime is 36540760498673. The next prime is 36540760498699. The reversal of 36540760498681 is 18689406704563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32551589160000 + 3989171338681 = 5705400^2 + 1997291^2 .

It is a cyclic number.

It is not a de Polignac number, because 36540760498681 - 2³ = 36540760498673 is a prime.

It is a super-2 number, since 2×36540760498681² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36540760498381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18270380249340 + 18270380249341.

It is an arithmetic number, because the mean of its divisors is an integer number (18270380249341).

Almost surely, 2^{36540760498681} is an apocalyptic number.

It is an amenable number.

36540760498681 is a deficient number, since it is larger than the sum of its proper divisors (1).

36540760498681 is an equidigital number, since it uses as much as digits as its factorization.

36540760498681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 67.

The spelling of 36540760498681 in words is "thirty-six trillion, five hundred forty billion, seven hundred sixty million, four hundred ninety-eight thousand, six hundred eighty-one".