3562653042661 has 2 divisors, whose sum is σ = 3562653042662. Its totient is φ = 3562653042660.

The previous prime is 3562653042659. The next prime is 3562653042673. The reversal of 3562653042661 is 1662403562653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2323472198436 + 1239180844225 = 1524294^2 + 1113185^2 .

It is a cyclic number.

It is not a de Polignac number, because 3562653042661 - 2¹ = 3562653042659 is a prime.

Together with 3562653042659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3569653042661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1781326521330 + 1781326521331.

It is an arithmetic number, because the mean of its divisors is an integer number (1781326521331).

Almost surely, 2^{3562653042661} is an apocalyptic number.

It is an amenable number.

3562653042661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3562653042661 is an equidigital number, since it uses as much as digits as its factorization.

3562653042661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 3562653042661 in words is "three trillion, five hundred sixty-two billion, six hundred fifty-three million, forty-two thousand, six hundred sixty-one".