10534497084721 has 3 divisors (see below), whose sum is σ = 10534500330411. Its totient is φ = 10534493839032.

The previous prime is 10534497084707. The next prime is 10534497084731. The reversal of 10534497084721 is 12748079443501.

It is a happy number.

The square root of 10534497084721 is 3245689.

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., 7893352059121 + 2641145025600 = 2809511^2 + 1625160^2 .

It is not a de Polignac number, because 10534497084721 - 2⁵ = 10534497084689 is a prime.

It is a super-3 number, since 3×10534497084721³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10534497084701) 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, 1622845 + ... + 4868533.

It is an arithmetic number, because the mean of its divisors is an integer number (3511500110137).

Almost surely, 2^{10534497084721} is an apocalyptic number.

10534497084721 is the 3245689-th square number.

10534497084721 is the 1622845-th centered octagonal number.

It is an amenable number.

10534497084721 is a deficient number, since it is larger than the sum of its proper divisors (3245690).

10534497084721 is an frugal number, since it uses more digits than its factorization.

10534497084721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491378 (or 3245689 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 10534497084721 in words is "ten trillion, five hundred thirty-four billion, four hundred ninety-seven million, eighty-four thousand, seven hundred twenty-one".