420431050305841 has 2 divisors, whose sum is σ = 420431050305842. Its totient is φ = 420431050305840.

The previous prime is 420431050305713. The next prime is 420431050305853. The reversal of 420431050305841 is 148503050134024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253153429353616 + 167277620952225 = 15910796^2 + 12933585^2 .

It is a cyclic number.

It is not a de Polignac number, because 420431050305841 - 2⁷ = 420431050305713 is a prime.

It is a super-2 number, since 2×420431050305841² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420431050305794 and 420431050305803.

It is not a weakly prime, because it can be changed into another prime (420431050395841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210215525152920 + 210215525152921.

It is an arithmetic number, because the mean of its divisors is an integer number (210215525152921).

Almost surely, 2^{420431050305841} is an apocalyptic number.

It is an amenable number.

420431050305841 is a deficient number, since it is larger than the sum of its proper divisors (1).

420431050305841 is an equidigital number, since it uses as much as digits as its factorization.

420431050305841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 420431050305841 in words is "four hundred twenty trillion, four hundred thirty-one billion, fifty million, three hundred five thousand, eight hundred forty-one".