2021104410613 has 2 divisors, whose sum is σ = 2021104410614. Its totient is φ = 2021104410612.

The previous prime is 2021104410587. The next prime is 2021104410649. The reversal of 2021104410613 is 3160144011202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1351968958564 + 669135452049 = 1162742^2 + 818007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021104410613 is a prime.

It is a super-3 number, since 3×2021104410613³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021104410673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010552205306 + 1010552205307.

It is an arithmetic number, because the mean of its divisors is an integer number (1010552205307).

Almost surely, 2^{2021104410613} is an apocalyptic number.

It is an amenable number.

2021104410613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021104410613 is an equidigital number, since it uses as much as digits as its factorization.

2021104410613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 2021104410613 its reverse (3160144011202), we get a palindrome (5181248421815).

The spelling of 2021104410613 in words is "two trillion, twenty-one billion, one hundred four million, four hundred ten thousand, six hundred thirteen".