36436756416509 has 2 divisors, whose sum is σ = 36436756416510. Its totient is φ = 36436756416508.

The previous prime is 36436756416407. The next prime is 36436756416523. The reversal of 36436756416509 is 90561465763463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23121883824484 + 13314872592025 = 4808522^2 + 3648955^2 .

It is a cyclic number.

It is not a de Polignac number, because 36436756416509 - 2⁸ = 36436756416253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36436756416589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18218378208254 + 18218378208255.

It is an arithmetic number, because the mean of its divisors is an integer number (18218378208255).

Almost surely, 2^{36436756416509} is an apocalyptic number.

It is an amenable number.

36436756416509 is a deficient number, since it is larger than the sum of its proper divisors (1).

36436756416509 is an equidigital number, since it uses as much as digits as its factorization.

36436756416509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 293932800, while the sum is 65.

The spelling of 36436756416509 in words is "thirty-six trillion, four hundred thirty-six billion, seven hundred fifty-six million, four hundred sixteen thousand, five hundred nine".