2148996998399 has 2 divisors, whose sum is σ = 2148996998400. Its totient is φ = 2148996998398.

The previous prime is 2148996998387. The next prime is 2148996998441. The reversal of 2148996998399 is 9938996998412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2148996998399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2148996998399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2148993998399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074498499199 + 1074498499200.

It is an arithmetic number, because the mean of its divisors is an integer number (1074498499200).

Almost surely, 2^{2148996998399} is an apocalyptic number.

2148996998399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148996998399 is an equidigital number, since it uses as much as digits as its factorization.

2148996998399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4897760256, while the sum is 86.

The spelling of 2148996998399 in words is "two trillion, one hundred forty-eight billion, nine hundred ninety-six million, nine hundred ninety-eight thousand, three hundred ninety-nine".