1738618745737 has 2 divisors, whose sum is σ = 1738618745738. Its totient is φ = 1738618745736.

The previous prime is 1738618745693. The next prime is 1738618745753. The reversal of 1738618745737 is 7375478168371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1432512159376 + 306106586361 = 1196876^2 + 553269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1738618745737 - 2⁷ = 1738618745609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1738616745737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869309372868 + 869309372869.

It is an arithmetic number, because the mean of its divisors is an integer number (869309372869).

Almost surely, 2^{1738618745737} is an apocalyptic number.

It is an amenable number.

1738618745737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1738618745737 is an equidigital number, since it uses as much as digits as its factorization.

1738618745737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165957120, while the sum is 67.

The spelling of 1738618745737 in words is "one trillion, seven hundred thirty-eight billion, six hundred eighteen million, seven hundred forty-five thousand, seven hundred thirty-seven".