1642235033353 has 2 divisors, whose sum is σ = 1642235033354. Its totient is φ = 1642235033352.

The previous prime is 1642235033323. The next prime is 1642235033357. The reversal of 1642235033353 is 3533305322461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 871435319049 + 770799714304 = 933507^2 + 877952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1642235033353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1642235033357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821117516676 + 821117516677.

It is an arithmetic number, because the mean of its divisors is an integer number (821117516677).

Almost surely, 2^{1642235033353} is an apocalyptic number.

It is an amenable number.

1642235033353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642235033353 is an equidigital number, since it uses as much as digits as its factorization.

1642235033353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 40.

The spelling of 1642235033353 in words is "one trillion, six hundred forty-two billion, two hundred thirty-five million, thirty-three thousand, three hundred fifty-three".