140041663789 has 2 divisors, whose sum is σ = 140041663790. Its totient is φ = 140041663788.

The previous prime is 140041663733. The next prime is 140041663819. The reversal of 140041663789 is 987366140041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76466075625 + 63575588164 = 276525^2 + 252142^2 .

It is an emirp because it is prime and its reverse (987366140041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140041663789 - 2⁷ = 140041663661 is a prime.

It is a super-2 number, since 2×140041663789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140041667789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70020831894 + 70020831895.

It is an arithmetic number, because the mean of its divisors is an integer number (70020831895).

Almost surely, 2^140041663789 is an apocalyptic number.

It is an amenable number.

140041663789 is a deficient number, since it is larger than the sum of its proper divisors (1).

140041663789 is an equidigital number, since it uses as much as digits as its factorization.

140041663789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 140041663789 in words is "one hundred forty billion, forty-one million, six hundred sixty-three thousand, seven hundred eighty-nine".