2148428248399 has 2 divisors, whose sum is σ = 2148428248400. Its totient is φ = 2148428248398.

The previous prime is 2148428248339. The next prime is 2148428248441. The reversal of 2148428248399 is 9938428248412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2148428248399 - 2¹⁹ = 2148427724111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2148428248399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2148428248339) 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, 1074214124199 + 1074214124200.

It is an arithmetic number, because the mean of its divisors is an integer number (1074214124200).

Almost surely, 2^{2148428248399} is an apocalyptic number.

2148428248399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148428248399 is an equidigital number, since it uses as much as digits as its factorization.

2148428248399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63700992, while the sum is 64.

The spelling of 2148428248399 in words is "two trillion, one hundred forty-eight billion, four hundred twenty-eight million, two hundred forty-eight thousand, three hundred ninety-nine".