420011110009 has 2 divisors, whose sum is σ = 420011110010. Its totient is φ = 420011110008.

The previous prime is 420011110003. The next prime is 420011110061. The reversal of 420011110009 is 900011110024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281233999225 + 138777110784 = 530315^2 + 372528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420011110009 is a prime.

It is not a weakly prime, because it can be changed into another prime (420011110003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210005555004 + 210005555005.

It is an arithmetic number, because the mean of its divisors is an integer number (210005555005).

Almost surely, 2^420011110009 is an apocalyptic number.

It is an amenable number.

420011110009 is a deficient number, since it is larger than the sum of its proper divisors (1).

420011110009 is an equidigital number, since it uses as much as digits as its factorization.

420011110009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 420011110009 in words is "four hundred twenty billion, eleven million, one hundred ten thousand, nine".