420242419601 has 2 divisors, whose sum is σ = 420242419602. Its totient is φ = 420242419600.

The previous prime is 420242419589. The next prime is 420242419607. The reversal of 420242419601 is 106914242024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233617555600 + 186624864001 = 483340^2 + 432001^2 .

It is a cyclic number.

It is not a de Polignac number, because 420242419601 - 2¹⁸ = 420242157457 is a prime.

It is not a weakly prime, because it can be changed into another prime (420242419607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210121209800 + 210121209801.

It is an arithmetic number, because the mean of its divisors is an integer number (210121209801).

Almost surely, 2^420242419601 is an apocalyptic number.

It is an amenable number.

420242419601 is a deficient number, since it is larger than the sum of its proper divisors (1).

420242419601 is an equidigital number, since it uses as much as digits as its factorization.

420242419601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 420242419601 in words is "four hundred twenty billion, two hundred forty-two million, four hundred nineteen thousand, six hundred one".