1729039549441 has 16 divisors (see below), whose sum is σ = 1791097228800. Its totient is φ = 1667145872448.

The previous prime is 1729039549427. The next prime is 1729039549451. The reversal of 1729039549441 is 1449459309271.

It is a cyclic number.

It is not a de Polignac number, because 1729039549441 - 2³⁷ = 1591600595969 is a prime.

It is a super-2 number, since 2×1729039549441² (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 (1729039549451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66414415 + ... + 66440443.

It is an arithmetic number, because the mean of its divisors is an integer number (111943576800).

Almost surely, 2^{1729039549441} is an apocalyptic number.

It is an amenable number.

1729039549441 is a deficient number, since it is larger than the sum of its proper divisors (62057679359).

1729039549441 is a wasteful number, since it uses less digits than its factorization.

1729039549441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29088.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 1729039549441 in words is "one trillion, seven hundred twenty-nine billion, thirty-nine million, five hundred forty-nine thousand, four hundred forty-one".