40563036497 has 2 divisors, whose sum is σ = 40563036498. Its totient is φ = 40563036496.

The previous prime is 40563036491. The next prime is 40563036517. The reversal of 40563036497 is 79463036504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40526118721 + 36917776 = 201311^2 + 6076^2 .

It is a cyclic number.

It is not a de Polignac number, because 40563036497 - 2¹⁶ = 40562970961 is a prime.

It is not a weakly prime, because it can be changed into another prime (40563036491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20281518248 + 20281518249.

It is an arithmetic number, because the mean of its divisors is an integer number (20281518249).

Almost surely, 2^40563036497 is an apocalyptic number.

It is an amenable number.

40563036497 is a deficient number, since it is larger than the sum of its proper divisors (1).

40563036497 is an equidigital number, since it uses as much as digits as its factorization.

40563036497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 40563036497 in words is "forty billion, five hundred sixty-three million, thirty-six thousand, four hundred ninety-seven".