420066156347 has 2 divisors, whose sum is σ = 420066156348. Its totient is φ = 420066156346.

The previous prime is 420066156337. The next prime is 420066156359. The reversal of 420066156347 is 743651660024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420066156347 - 2⁴ = 420066156331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420066156298 and 420066156307.

It is not a weakly prime, because it can be changed into another prime (420066156337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210033078173 + 210033078174.

It is an arithmetic number, because the mean of its divisors is an integer number (210033078174).

Almost surely, 2^420066156347 is an apocalyptic number.

420066156347 is a deficient number, since it is larger than the sum of its proper divisors (1).

420066156347 is an equidigital number, since it uses as much as digits as its factorization.

420066156347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 420066156347 in words is "four hundred twenty billion, sixty-six million, one hundred fifty-six thousand, three hundred forty-seven".