140564441663 has 2 divisors, whose sum is σ = 140564441664. Its totient is φ = 140564441662.

The previous prime is 140564441657. The next prime is 140564441687. The reversal of 140564441663 is 366144465041.

It is a happy number.

140564441663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140564441663 - 2¹⁸ = 140564179519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140564444663) 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, 70282220831 + 70282220832.

It is an arithmetic number, because the mean of its divisors is an integer number (70282220832).

Almost surely, 2^140564441663 is an apocalyptic number.

140564441663 is a deficient number, since it is larger than the sum of its proper divisors (1).

140564441663 is an equidigital number, since it uses as much as digits as its factorization.

140564441663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 140564441663 in words is "one hundred forty billion, five hundred sixty-four million, four hundred forty-one thousand, six hundred sixty-three".