420266648807 has 2 divisors, whose sum is σ = 420266648808. Its totient is φ = 420266648806.

The previous prime is 420266648771. The next prime is 420266648897. The reversal of 420266648807 is 708846662024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420266648807 - 2⁶ = 420266648743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420266648897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210133324403 + 210133324404.

It is an arithmetic number, because the mean of its divisors is an integer number (210133324404).

Almost surely, 2^420266648807 is an apocalyptic number.

420266648807 is a deficient number, since it is larger than the sum of its proper divisors (1).

420266648807 is an equidigital number, since it uses as much as digits as its factorization.

420266648807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 420266648807 in words is "four hundred twenty billion, two hundred sixty-six million, six hundred forty-eight thousand, eight hundred seven".