2028663801847 has 2 divisors, whose sum is σ = 2028663801848. Its totient is φ = 2028663801846.

The previous prime is 2028663801823. The next prime is 2028663801851. The reversal of 2028663801847 is 7481083668202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2028663801847 is a prime.

It is a super-2 number, since 2×2028663801847² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2028663801877) 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, 1014331900923 + 1014331900924.

It is an arithmetic number, because the mean of its divisors is an integer number (1014331900924).

Almost surely, 2^{2028663801847} is an apocalyptic number.

2028663801847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028663801847 is an equidigital number, since it uses as much as digits as its factorization.

2028663801847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 2028663801847 in words is "two trillion, twenty-eight billion, six hundred sixty-three million, eight hundred one thousand, eight hundred forty-seven".