1641335343353 has 2 divisors, whose sum is σ = 1641335343354. Its totient is φ = 1641335343352.

The previous prime is 1641335343343. The next prime is 1641335343371. The reversal of 1641335343353 is 3533435331461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1394413807609 + 246921535744 = 1180853^2 + 496912^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641335343353 - 2⁶ = 1641335343289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1641335343343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820667671676 + 820667671677.

It is an arithmetic number, because the mean of its divisors is an integer number (820667671677).

Almost surely, 2^{1641335343353} is an apocalyptic number.

It is an amenable number.

1641335343353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641335343353 is an equidigital number, since it uses as much as digits as its factorization.

1641335343353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 44.

The spelling of 1641335343353 in words is "one trillion, six hundred forty-one billion, three hundred thirty-five million, three hundred forty-three thousand, three hundred fifty-three".