1041841643 has 2 divisors, whose sum is σ = 1041841644. Its totient is φ = 1041841642.

The previous prime is 1041841639. The next prime is 1041841663. The reversal of 1041841643 is 3461481401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1041841643 - 2² = 1041841639 is a prime.

It is not a weakly prime, because it can be changed into another prime (1041841613) 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, 520920821 + 520920822.

It is an arithmetic number, because the mean of its divisors is an integer number (520920822).

Almost surely, 2^1041841643 is an apocalyptic number.

1041841643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041841643 is an equidigital number, since it uses as much as digits as its factorization.

1041841643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1041841643 is about 32277.5718262697. The cubic root of 1041841643 is about 1013.7570889593.

The spelling of 1041841643 in words is "one billion, forty-one million, eight hundred forty-one thousand, six hundred forty-three".