420404212967 has 2 divisors, whose sum is σ = 420404212968. Its totient is φ = 420404212966.

The previous prime is 420404212883. The next prime is 420404212981. The reversal of 420404212967 is 769212404024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420404212967 - 2¹⁰ = 420404211943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420404212567) 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, 210202106483 + 210202106484.

It is an arithmetic number, because the mean of its divisors is an integer number (210202106484).

Almost surely, 2^420404212967 is an apocalyptic number.

420404212967 is a deficient number, since it is larger than the sum of its proper divisors (1).

420404212967 is an equidigital number, since it uses as much as digits as its factorization.

420404212967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 420404212967 in words is "four hundred twenty billion, four hundred four million, two hundred twelve thousand, nine hundred sixty-seven".