3537329646841 has 9 divisors (see below), whose sum is σ = 3697858632559. Its totient is φ = 3383491328536.

The previous prime is 3537329646839. The next prime is 3537329646847. The reversal of 3537329646841 is 1486469237353.

The square root of 3537329646841 is 1880779.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2803230261225 + 734099385616 = 1674285^2 + 856796^2 .

It is not a de Polignac number, because 3537329646841 - 2¹ = 3537329646839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3537329646841.

It is not an unprimeable number, because it can be changed into a prime (3537329646847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43217031 + ... + 43298803.

Almost surely, 2^{3537329646841} is an apocalyptic number.

3537329646841 is the 1880779-th square number.

3537329646841 is the 940390-th centered octagonal number.

It is an amenable number.

3537329646841 is a deficient number, since it is larger than the sum of its proper divisors (160528985718).

3537329646841 is an frugal number, since it uses more digits than its factorization.

3537329646841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163592 (or 81796 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 61.

The spelling of 3537329646841 in words is "three trillion, five hundred thirty-seven billion, three hundred twenty-nine million, six hundred forty-six thousand, eight hundred forty-one".