1641335343371 has 2 divisors, whose sum is σ = 1641335343372. Its totient is φ = 1641335343370.

The previous prime is 1641335343353. The next prime is 1641335343407. The reversal of 1641335343371 is 1733435331461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1641335343371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1641335343301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820667671685 + 820667671686.

It is an arithmetic number, because the mean of its divisors is an integer number (820667671686).

Almost surely, 2^{1641335343371} is an apocalyptic number.

1641335343371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641335343371 is an equidigital number, since it uses as much as digits as its factorization.

1641335343371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The spelling of 1641335343371 in words is "one trillion, six hundred forty-one billion, three hundred thirty-five million, three hundred forty-three thousand, three hundred seventy-one".