1738064223157 has 2 divisors, whose sum is σ = 1738064223158. Its totient is φ = 1738064223156.

The previous prime is 1738064223143. The next prime is 1738064223179. The reversal of 1738064223157 is 7513224608371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1648427455921 + 89636767236 = 1283911^2 + 299394^2 .

It is a cyclic number.

It is not a de Polignac number, because 1738064223157 - 2¹¹ = 1738064221109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1738064223157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1738064223187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869032111578 + 869032111579.

It is an arithmetic number, because the mean of its divisors is an integer number (869032111579).

Almost surely, 2^{1738064223157} is an apocalyptic number.

It is an amenable number.

1738064223157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1738064223157 is an equidigital number, since it uses as much as digits as its factorization.

1738064223157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 1738064223157 in words is "one trillion, seven hundred thirty-eight billion, sixty-four million, two hundred twenty-three thousand, one hundred fifty-seven".