36424236421 has 2 divisors, whose sum is σ = 36424236422. Its totient is φ = 36424236420.

The previous prime is 36424236353. The next prime is 36424236449. The reversal of 36424236421 is 12463242463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35161500196 + 1262736225 = 187514^2 + 35535^2 .

It is a cyclic number.

It is not a de Polignac number, because 36424236421 - 2⁹ = 36424235909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36424236221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18212118210 + 18212118211.

It is an arithmetic number, because the mean of its divisors is an integer number (18212118211).

Almost surely, 2^36424236421 is an apocalyptic number.

It is an amenable number.

36424236421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36424236421 is an equidigital number, since it uses as much as digits as its factorization.

36424236421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 37.

Adding to 36424236421 its reverse (12463242463), we get a palindrome (48887478884).

The spelling of 36424236421 in words is "thirty-six billion, four hundred twenty-four million, two hundred thirty-six thousand, four hundred twenty-one".