6213982567481 has 8 divisors (see below), whose sum is σ = 6692242410504. Its totient is φ = 5735760036480.

The previous prime is 6213982567421. The next prime is 6213982567483. The reversal of 6213982567481 is 1847652893126.

It can be written as a sum of positive squares in 4 ways, for example, as 6330589225 + 6207651978256 = 79565^2 + 2491516^2 .

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 6213982567481 - 2³⁴ = 6196802698297 is a prime.

It is a super-2 number, since 2×6213982567481² (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 (6213982567483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8981630 + ... + 9648711.

It is an arithmetic number, because the mean of its divisors is an integer number (836530301313).

Almost surely, 2^{6213982567481} is an apocalyptic number.

It is an amenable number.

6213982567481 is a deficient number, since it is larger than the sum of its proper divisors (478259843023).

6213982567481 is a wasteful number, since it uses less digits than its factorization.

6213982567481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18656011.

The product of its digits is 34836480, while the sum is 62.

The spelling of 6213982567481 in words is "six trillion, two hundred thirteen billion, nine hundred eighty-two million, five hundred sixty-seven thousand, four hundred eighty-one".