36145603997 has 2 divisors, whose sum is σ = 36145603998. Its totient is φ = 36145603996.

The previous prime is 36145603979. The next prime is 36145604093. The reversal of 36145603997 is 79930654163.

Together with previous prime (36145603979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20776051321 + 15369552676 = 144139^2 + 123974^2 .

It is an emirp because it is prime and its reverse (79930654163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36145603997 - 2¹⁸ = 36145341853 is a prime.

It is a super-3 number, since 3×36145603997³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36145603927) 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, 18072801998 + 18072801999.

It is an arithmetic number, because the mean of its divisors is an integer number (18072801999).

Almost surely, 2^36145603997 is an apocalyptic number.

It is an amenable number.

36145603997 is a deficient number, since it is larger than the sum of its proper divisors (1).

36145603997 is an equidigital number, since it uses as much as digits as its factorization.

36145603997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 36145603997 in words is "thirty-six billion, one hundred forty-five million, six hundred three thousand, nine hundred ninety-seven".