1729383409953 has 12 divisors (see below), whose sum is σ = 2516231824548. Its totient is φ = 1144506781440.

The previous prime is 1729383409951. The next prime is 1729383409961. The reversal of 1729383409953 is 3599043839271.

1729383409953 is a `hidden beast` number, since 1 + 72 + 93 + 8 + 340 + 99 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 892180369809 + 837203040144 = 944553^2 + 914988^2 .

It is not a de Polignac number, because 1729383409953 - 2¹ = 1729383409951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1729383409951) 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 in 11 ways as a sum of consecutive naturals, for example, 701289688 + ... + 701292153.

It is an arithmetic number, because the mean of its divisors is an integer number (209685985379).

Almost surely, 2^{1729383409953} is an apocalyptic number.

It is an amenable number.

1729383409953 is a deficient number, since it is larger than the sum of its proper divisors (786848414595).

1729383409953 is a wasteful number, since it uses less digits than its factorization.

1729383409953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402581984 (or 1402581981 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 63.

The spelling of 1729383409953 in words is "one trillion, seven hundred twenty-nine billion, three hundred eighty-three million, four hundred nine thousand, nine hundred fifty-three".