420266648279 has 2 divisors, whose sum is σ = 420266648280. Its totient is φ = 420266648278.

The previous prime is 420266648273. The next prime is 420266648309. The reversal of 420266648279 is 972846662024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420266648279 - 2⁸ = 420266648023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420266648273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210133324139 + 210133324140.

It is an arithmetic number, because the mean of its divisors is an integer number (210133324140).

Almost surely, 2^420266648279 is an apocalyptic number.

420266648279 is a deficient number, since it is larger than the sum of its proper divisors (1).

420266648279 is an equidigital number, since it uses as much as digits as its factorization.

420266648279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 420266648279 in words is "four hundred twenty billion, two hundred sixty-six million, six hundred forty-eight thousand, two hundred seventy-nine".