140286544799893 has 2 divisors, whose sum is σ = 140286544799894. Its totient is φ = 140286544799892.

The previous prime is 140286544799879. The next prime is 140286544799917. The reversal of 140286544799893 is 398997445682041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99179251018884 + 41107293781009 = 9958878^2 + 6411497^2 .

It is an emirp because it is prime and its reverse (398997445682041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140286544799893 - 2²⁹ = 140286007928981 is a prime.

It is a super-2 number, since 2×140286544799893² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140286544799293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70143272399946 + 70143272399947.

It is an arithmetic number, because the mean of its divisors is an integer number (70143272399947).

It is a 1-persistent number, because it is pandigital, but 2⋅140286544799893 = 280573089599786 is not.

Almost surely, 2^{140286544799893} is an apocalyptic number.

It is an amenable number.

140286544799893 is a deficient number, since it is larger than the sum of its proper divisors (1).

140286544799893 is an equidigital number, since it uses as much as digits as its factorization.

140286544799893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3762339840, while the sum is 79.

The spelling of 140286544799893 in words is "one hundred forty trillion, two hundred eighty-six billion, five hundred forty-four million, seven hundred ninety-nine thousand, eight hundred ninety-three".