420433039253 has 2 divisors, whose sum is σ = 420433039254. Its totient is φ = 420433039252.

The previous prime is 420433039249. The next prime is 420433039297. The reversal of 420433039253 is 352930334024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395688805444 + 24744233809 = 629038^2 + 157303^2 .

It is a cyclic number.

It is not a de Polignac number, because 420433039253 - 2² = 420433039249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420433039153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210216519626 + 210216519627.

It is an arithmetic number, because the mean of its divisors is an integer number (210216519627).

Almost surely, 2^420433039253 is an apocalyptic number.

It is an amenable number.

420433039253 is a deficient number, since it is larger than the sum of its proper divisors (1).

420433039253 is an equidigital number, since it uses as much as digits as its factorization.

420433039253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 420433039253 in words is "four hundred twenty billion, four hundred thirty-three million, thirty-nine thousand, two hundred fifty-three".