36454637729 has 2 divisors, whose sum is σ = 36454637730. Its totient is φ = 36454637728.

The previous prime is 36454637693. The next prime is 36454637731. The reversal of 36454637729 is 92773645463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30378747025 + 6075890704 = 174295^2 + 77948^2 .

It is an emirp because it is prime and its reverse (92773645463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36454637729 - 2⁸ = 36454637473 is a prime.

It is a super-2 number, since 2×36454637729² (a number of 22 digits) contains 22 as substring.

Together with 36454637731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36454637789) 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, 18227318864 + 18227318865.

It is an arithmetic number, because the mean of its divisors is an integer number (18227318865).

Almost surely, 2^36454637729 is an apocalyptic number.

It is an amenable number.

36454637729 is a deficient number, since it is larger than the sum of its proper divisors (1).

36454637729 is an equidigital number, since it uses as much as digits as its factorization.

36454637729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 56.

The spelling of 36454637729 in words is "thirty-six billion, four hundred fifty-four million, six hundred thirty-seven thousand, seven hundred twenty-nine".