1641994483 has 2 divisors, whose sum is σ = 1641994484. Its totient is φ = 1641994482.

The previous prime is 1641994463. The next prime is 1641994499. The reversal of 1641994483 is 3844991461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1641994483 - 2⁵ = 1641994451 is a prime.

It is a super-2 number, since 2×1641994483² = 5392291764404874578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1641994423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820997241 + 820997242.

It is an arithmetic number, because the mean of its divisors is an integer number (820997242).

Almost surely, 2^1641994483 is an apocalyptic number.

1641994483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641994483 is an equidigital number, since it uses as much as digits as its factorization.

1641994483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 1641994483 is about 40521.5311038465. The cubic root of 1641994483 is about 1179.7515715164.

The spelling of 1641994483 in words is "one billion, six hundred forty-one million, nine hundred ninety-four thousand, four hundred eighty-three".