6721054601 has 16 divisors (see below), whose sum is σ = 7339021200. Its totient is φ = 6129899520.

The previous prime is 6721054597. The next prime is 6721054619. The reversal of 6721054601 is 1064501276.

It can be written as a sum of positive squares in 8 ways, for example, as 1421214601 + 5299840000 = 37699^2 + 72800^2 .

It is a cyclic number.

It is not a de Polignac number, because 6721054601 - 2² = 6721054597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6721054621) 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, 71495 + ... + 136211.

It is an arithmetic number, because the mean of its divisors is an integer number (458688825).

Almost surely, 2^6721054601 is an apocalyptic number.

It is an amenable number.

6721054601 is a deficient number, since it is larger than the sum of its proper divisors (617966599).

6721054601 is a wasteful number, since it uses less digits than its factorization.

6721054601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64924.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 6721054601 is about 81982.0382827848. The cubic root of 6721054601 is about 1887.1763029311.

Adding to 6721054601 its reverse (1064501276), we get a palindrome (7785555877).

The spelling of 6721054601 in words is "six billion, seven hundred twenty-one million, fifty-four thousand, six hundred one".