4826903491681 has 4 divisors (see below), whose sum is σ = 4993348439700. Its totient is φ = 4660458543664.

The previous prime is 4826903491679. The next prime is 4826903491693. The reversal of 4826903491681 is 1861943096284.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1439481646656 + 3387421845025 = 1199784^2 + 1840495^2 .

It is a cyclic number.

It is not a de Polignac number, because 4826903491681 - 2¹ = 4826903491679 is a prime.

It is a super-2 number, since 2×4826903491681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4826903491601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83222473966 + ... + 83222474023.

It is an arithmetic number, because the mean of its divisors is an integer number (1248337109925).

Almost surely, 2^{4826903491681} is an apocalyptic number.

It is an amenable number.

4826903491681 is a deficient number, since it is larger than the sum of its proper divisors (166444948019).

4826903491681 is a wasteful number, since it uses less digits than its factorization.

4826903491681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166444948018.

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 4826903491681 in words is "four trillion, eight hundred twenty-six billion, nine hundred three million, four hundred ninety-one thousand, six hundred eighty-one".