421413040233079 has 2 divisors, whose sum is σ = 421413040233080. Its totient is φ = 421413040233078.

The previous prime is 421413040233061. The next prime is 421413040233089. The reversal of 421413040233079 is 970332040314124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421413040233079 - 2⁹ = 421413040232567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421413040233089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210706520116539 + 210706520116540.

It is an arithmetic number, because the mean of its divisors is an integer number (210706520116540).

Almost surely, 2^{421413040233079} is an apocalyptic number.

421413040233079 is a deficient number, since it is larger than the sum of its proper divisors (1).

421413040233079 is an equidigital number, since it uses as much as digits as its factorization.

421413040233079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 421413040233079 in words is "four hundred twenty-one trillion, four hundred thirteen billion, forty million, two hundred thirty-three thousand, seventy-nine".