421433514311 has 2 divisors, whose sum is σ = 421433514312. Its totient is φ = 421433514310.

The previous prime is 421433514259. The next prime is 421433514319. The reversal of 421433514311 is 113415334124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421433514311 - 2¹⁸ = 421433252167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421433514319) 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, 210716757155 + 210716757156.

It is an arithmetic number, because the mean of its divisors is an integer number (210716757156).

Almost surely, 2^421433514311 is an apocalyptic number.

421433514311 is a deficient number, since it is larger than the sum of its proper divisors (1).

421433514311 is an equidigital number, since it uses as much as digits as its factorization.

421433514311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

Adding to 421433514311 its reverse (113415334124), we get a palindrome (534848848435).

The spelling of 421433514311 in words is "four hundred twenty-one billion, four hundred thirty-three million, five hundred fourteen thousand, three hundred eleven".