4033891486897 has 2 divisors, whose sum is σ = 4033891486898. Its totient is φ = 4033891486896.

The previous prime is 4033891486873. The next prime is 4033891486903. The reversal of 4033891486897 is 7986841983304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2697638717601 + 1336252769296 = 1642449^2 + 1155964^2 .

It is a cyclic number.

It is not a de Polignac number, because 4033891486897 - 2¹¹ = 4033891484849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4033891486297) 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, 2016945743448 + 2016945743449.

It is an arithmetic number, because the mean of its divisors is an integer number (2016945743449).

Almost surely, 2^{4033891486897} is an apocalyptic number.

It is an amenable number.

4033891486897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4033891486897 is an equidigital number, since it uses as much as digits as its factorization.

4033891486897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250822656, while the sum is 70.

The spelling of 4033891486897 in words is "four trillion, thirty-three billion, eight hundred ninety-one million, four hundred eighty-six thousand, eight hundred ninety-seven".