420213130453 has 2 divisors, whose sum is σ = 420213130454. Its totient is φ = 420213130452.

The previous prime is 420213130439. The next prime is 420213130517. The reversal of 420213130453 is 354031312024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416622484369 + 3590646084 = 645463^2 + 59922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420213130453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420213131453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210106565226 + 210106565227.

It is an arithmetic number, because the mean of its divisors is an integer number (210106565227).

Almost surely, 2^420213130453 is an apocalyptic number.

It is an amenable number.

420213130453 is a deficient number, since it is larger than the sum of its proper divisors (1).

420213130453 is an equidigital number, since it uses as much as digits as its factorization.

420213130453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 420213130453 its reverse (354031312024), we get a palindrome (774244442477).

The spelling of 420213130453 in words is "four hundred twenty billion, two hundred thirteen million, one hundred thirty thousand, four hundred fifty-three".