36145783321 has 2 divisors, whose sum is σ = 36145783322. Its totient is φ = 36145783320.

The previous prime is 36145783291. The next prime is 36145783337. The reversal of 36145783321 is 12338754163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36145614400 + 168921 = 190120^2 + 411^2 .

It is a cyclic number.

It is not a de Polignac number, because 36145783321 - 2⁹ = 36145782809 is a prime.

It is not a weakly prime, because it can be changed into another prime (36145783351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18072891660 + 18072891661.

It is an arithmetic number, because the mean of its divisors is an integer number (18072891661).

Almost surely, 2^36145783321 is an apocalyptic number.

It is an amenable number.

36145783321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36145783321 is an equidigital number, since it uses as much as digits as its factorization.

36145783321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The spelling of 36145783321 in words is "thirty-six billion, one hundred forty-five million, seven hundred eighty-three thousand, three hundred twenty-one".