36421520843 has 2 divisors, whose sum is σ = 36421520844. Its totient is φ = 36421520842.

The previous prime is 36421520803. The next prime is 36421520879. The reversal of 36421520843 is 34802512463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36421520843 - 2²⁶ = 36354411979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36421520797 and 36421520806.

It is not a weakly prime, because it can be changed into another prime (36421520803) 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, 18210760421 + 18210760422.

It is an arithmetic number, because the mean of its divisors is an integer number (18210760422).

Almost surely, 2^36421520843 is an apocalyptic number.

36421520843 is a deficient number, since it is larger than the sum of its proper divisors (1).

36421520843 is an equidigital number, since it uses as much as digits as its factorization.

36421520843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 36421520843 in words is "thirty-six billion, four hundred twenty-one million, five hundred twenty thousand, eight hundred forty-three".