420527130026893 has 2 divisors, whose sum is σ = 420527130026894. Its totient is φ = 420527130026892.

The previous prime is 420527130026867. The next prime is 420527130027023. The reversal of 420527130026893 is 398620031725024.

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., 272887206412804 + 147639923614089 = 16519298^2 + 12150717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420527130026893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420527130026893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420527130026293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210263565013446 + 210263565013447.

It is an arithmetic number, because the mean of its divisors is an integer number (210263565013447).

It is a 1-persistent number, because it is pandigital, but 2⋅420527130026893 = 841054260053786 is not.

Almost surely, 2^{420527130026893} is an apocalyptic number.

It is an amenable number.

420527130026893 is a deficient number, since it is larger than the sum of its proper divisors (1).

420527130026893 is an equidigital number, since it uses as much as digits as its factorization.

420527130026893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 420527130026893 in words is "four hundred twenty trillion, five hundred twenty-seven billion, one hundred thirty million, twenty-six thousand, eight hundred ninety-three".