48428620420421 has 2 divisors, whose sum is σ = 48428620420422. Its totient is φ = 48428620420420.

The previous prime is 48428620420417. The next prime is 48428620420507. The reversal of 48428620420421 is 12402402682484.

48428620420421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42034605228100 + 6394015192321 = 6483410^2 + 2528639^2 .

It is a cyclic number.

It is not a de Polignac number, because 48428620420421 - 2² = 48428620420417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48428620425421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24214310210210 + 24214310210211.

It is an arithmetic number, because the mean of its divisors is an integer number (24214310210211).

Almost surely, 2^{48428620420421} is an apocalyptic number.

It is an amenable number.

48428620420421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48428620420421 is an equidigital number, since it uses as much as digits as its factorization.

48428620420421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1572864, while the sum is 47.

The spelling of 48428620420421 in words is "forty-eight trillion, four hundred twenty-eight billion, six hundred twenty million, four hundred twenty thousand, four hundred twenty-one".