1748152019329 has 3 divisors (see below), whose sum is σ = 1748153341507. Its totient is φ = 1748150697152.

The previous prime is 1748152019309. The next prime is 1748152019333. The reversal of 1748152019329 is 9239102518471.

The square root of 1748152019329 is 1322177.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1418731121025 + 329420898304 = 1191105^2 + 573952^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1748152019329 is a prime.

It is a super-2 number, since 2×1748152019329² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1748152019309) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 661089 + ... + 1983265.

Almost surely, 2^{1748152019329} is an apocalyptic number.

1748152019329 is the 1322177-th square number.

1748152019329 is the 661089-th centered octagonal number.

It is an amenable number.

1748152019329 is a deficient number, since it is larger than the sum of its proper divisors (1322178).

1748152019329 is an frugal number, since it uses more digits than its factorization.

1748152019329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644354 (or 1322177 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 1748152019329 in words is "one trillion, seven hundred forty-eight billion, one hundred fifty-two million, nineteen thousand, three hundred twenty-nine".