1738879040689 has 12 divisors (see below), whose sum is σ = 2031170941668. Its totient is φ = 1484283225600.

The previous prime is 1738879040687. The next prime is 1738879040741. The reversal of 1738879040689 is 9860409788371.

It can be written as a sum of positive squares in 2 ways, for example, as 1112533424289 + 626345616400 = 1054767^2 + 791420^2 .

It is not a de Polignac number, because 1738879040689 - 2¹ = 1738879040687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1738879040687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73613352 + ... + 73636969.

It is an arithmetic number, because the mean of its divisors is an integer number (169264245139).

Almost surely, 2^{1738879040689} is an apocalyptic number.

It is an amenable number.

1738879040689 is a deficient number, since it is larger than the sum of its proper divisors (292291900979).

1738879040689 is a wasteful number, since it uses less digits than its factorization.

1738879040689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147250576 (or 147250569 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 70.

The spelling of 1738879040689 in words is "one trillion, seven hundred thirty-eight billion, eight hundred seventy-nine million, forty thousand, six hundred eighty-nine".