420600217703 has 2 divisors, whose sum is σ = 420600217704. Its totient is φ = 420600217702.

The previous prime is 420600217693. The next prime is 420600217769. The reversal of 420600217703 is 307712006024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420600217703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420600217703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420600210703) 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, 210300108851 + 210300108852.

It is an arithmetic number, because the mean of its divisors is an integer number (210300108852).

Almost surely, 2^420600217703 is an apocalyptic number.

420600217703 is a deficient number, since it is larger than the sum of its proper divisors (1).

420600217703 is an equidigital number, since it uses as much as digits as its factorization.

420600217703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 420600217703 in words is "four hundred twenty billion, six hundred million, two hundred seventeen thousand, seven hundred three".