140469792689 has 2 divisors, whose sum is σ = 140469792690. Its totient is φ = 140469792688.

The previous prime is 140469792667. The next prime is 140469792761. The reversal of 140469792689 is 986297964041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124162502689 + 16307290000 = 352367^2 + 127700^2 .

It is a cyclic number.

It is not a de Polignac number, because 140469792689 - 2⁸ = 140469792433 is a prime.

It is not a weakly prime, because it can be changed into another prime (140469792889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70234896344 + 70234896345.

It is an arithmetic number, because the mean of its divisors is an integer number (70234896345).

Almost surely, 2^140469792689 is an apocalyptic number.

It is an amenable number.

140469792689 is a deficient number, since it is larger than the sum of its proper divisors (1).

140469792689 is an equidigital number, since it uses as much as digits as its factorization.

140469792689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 140469792689 in words is "one hundred forty billion, four hundred sixty-nine million, seven hundred ninety-two thousand, six hundred eighty-nine".