4261441643 has 2 divisors, whose sum is σ = 4261441644. Its totient is φ = 4261441642.

The previous prime is 4261441609. The next prime is 4261441661. The reversal of 4261441643 is 3461441624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4261441643 - 2²² = 4257247339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4261441043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130720821 + 2130720822.

It is an arithmetic number, because the mean of its divisors is an integer number (2130720822).

Almost surely, 2^4261441643 is an apocalyptic number.

4261441643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4261441643 is an equidigital number, since it uses as much as digits as its factorization.

4261441643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 4261441643 is about 65279.7184659983. The cubic root of 4261441643 is about 1621.2581856776.

The spelling of 4261441643 in words is "four billion, two hundred sixty-one million, four hundred forty-one thousand, six hundred forty-three".