420234421463 has 2 divisors, whose sum is σ = 420234421464. Its totient is φ = 420234421462.

The previous prime is 420234421333. The next prime is 420234421483. The reversal of 420234421463 is 364124432024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420234421463 - 2¹⁰ = 420234420439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420234421483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210117210731 + 210117210732.

It is an arithmetic number, because the mean of its divisors is an integer number (210117210732).

Almost surely, 2^420234421463 is an apocalyptic number.

420234421463 is a deficient number, since it is larger than the sum of its proper divisors (1).

420234421463 is an equidigital number, since it uses as much as digits as its factorization.

420234421463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 420234421463 its reverse (364124432024), we get a palindrome (784358853487).

The spelling of 420234421463 in words is "four hundred twenty billion, two hundred thirty-four million, four hundred twenty-one thousand, four hundred sixty-three".