2013353004661 has 2 divisors, whose sum is σ = 2013353004662. Its totient is φ = 2013353004660.

The previous prime is 2013353004653. The next prime is 2013353004757. The reversal of 2013353004661 is 1664003533102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1674873400561 + 338479604100 = 1294169^2 + 581790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013353004661 - 2³ = 2013353004653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013353004601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006676502330 + 1006676502331.

It is an arithmetic number, because the mean of its divisors is an integer number (1006676502331).

Almost surely, 2^{2013353004661} is an apocalyptic number.

It is an amenable number.

2013353004661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013353004661 is an equidigital number, since it uses as much as digits as its factorization.

2013353004661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 2013353004661 its reverse (1664003533102), we get a palindrome (3677356537763).

The spelling of 2013353004661 in words is "two trillion, thirteen billion, three hundred fifty-three million, four thousand, six hundred sixty-one".