36420454121 has 2 divisors, whose sum is σ = 36420454122. Its totient is φ = 36420454120.

The previous prime is 36420454079. The next prime is 36420454127. The reversal of 36420454121 is 12145402463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25027240000 + 11393214121 = 158200^2 + 106739^2 .

It is a cyclic number.

It is not a de Polignac number, because 36420454121 - 2¹⁴ = 36420437737 is a prime.

It is not a weakly prime, because it can be changed into another prime (36420454127) 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, 18210227060 + 18210227061.

It is an arithmetic number, because the mean of its divisors is an integer number (18210227061).

Almost surely, 2^36420454121 is an apocalyptic number.

It is an amenable number.

36420454121 is a deficient number, since it is larger than the sum of its proper divisors (1).

36420454121 is an equidigital number, since it uses as much as digits as its factorization.

36420454121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 36420454121 its reverse (12145402463), we get a palindrome (48565856584).

The spelling of 36420454121 in words is "thirty-six billion, four hundred twenty million, four hundred fifty-four thousand, one hundred twenty-one".