1738013672881 has 2 divisors, whose sum is σ = 1738013672882. Its totient is φ = 1738013672880.

The previous prime is 1738013672861. The next prime is 1738013672897. The reversal of 1738013672881 is 1882763108371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1325572282225 + 412441390656 = 1151335^2 + 642216^2 .

It is an emirp because it is prime and its reverse (1882763108371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1738013672881 - 2¹⁹ = 1738013148593 is a prime.

It is a super-2 number, since 2×1738013672881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1738013672861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869006836440 + 869006836441.

It is an arithmetic number, because the mean of its divisors is an integer number (869006836441).

Almost surely, 2^{1738013672881} is an apocalyptic number.

It is an amenable number.

1738013672881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1738013672881 is an equidigital number, since it uses as much as digits as its factorization.

1738013672881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 1738013672881 in words is "one trillion, seven hundred thirty-eight billion, thirteen million, six hundred seventy-two thousand, eight hundred eighty-one".