40593818897 has 2 divisors, whose sum is σ = 40593818898. Its totient is φ = 40593818896.

The previous prime is 40593818873. The next prime is 40593818929. The reversal of 40593818897 is 79881839504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33512428096 + 7081390801 = 183064^2 + 84151^2 .

It is a cyclic number.

It is not a de Polignac number, because 40593818897 - 2⁶ = 40593818833 is a prime.

It is not a weakly prime, because it can be changed into another prime (40593818827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20296909448 + 20296909449.

It is an arithmetic number, because the mean of its divisors is an integer number (20296909449).

Almost surely, 2^40593818897 is an apocalyptic number.

It is an amenable number.

40593818897 is a deficient number, since it is larger than the sum of its proper divisors (1).

40593818897 is an equidigital number, since it uses as much as digits as its factorization.

40593818897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 40593818897 in words is "forty billion, five hundred ninety-three million, eight hundred eighteen thousand, eight hundred ninety-seven".