140443640063 has 2 divisors, whose sum is σ = 140443640064. Its totient is φ = 140443640062.

The previous prime is 140443640059. The next prime is 140443640069. The reversal of 140443640063 is 360046344041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140443640063 - 2² = 140443640059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140443640069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221820031 + 70221820032.

It is an arithmetic number, because the mean of its divisors is an integer number (70221820032).

Almost surely, 2^140443640063 is an apocalyptic number.

140443640063 is a deficient number, since it is larger than the sum of its proper divisors (1).

140443640063 is an equidigital number, since it uses as much as digits as its factorization.

140443640063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 140443640063 in words is "one hundred forty billion, four hundred forty-three million, six hundred forty thousand, sixty-three".