1064833729921 has 8 divisors (see below), whose sum is σ = 1146754713384. Its totient is φ = 982914274560.

The previous prime is 1064833729853. The next prime is 1064833729951. The reversal of 1064833729921 is 1299273384601.

1064833729921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54887118400 + 1009946611521 = 234280^2 + 1004961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1064833729921 - 2¹¹ = 1064833727873 is a prime.

It is a super-2 number, since 2×1064833729921² (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 (1064833729951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359225 + ... + 1994281.

It is an arithmetic number, because the mean of its divisors is an integer number (143344339173).

Almost surely, 2^{1064833729921} is an apocalyptic number.

It is an amenable number.

1064833729921 is a deficient number, since it is larger than the sum of its proper divisors (81920983463).

1064833729921 is a wasteful number, since it uses less digits than its factorization.

1064833729921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764051.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 1064833729921 in words is "one trillion, sixty-four billion, eight hundred thirty-three million, seven hundred twenty-nine thousand, nine hundred twenty-one".