2450641643 has 2 divisors, whose sum is σ = 2450641644. Its totient is φ = 2450641642.

The previous prime is 2450641639. The next prime is 2450641663. The reversal of 2450641643 is 3461460542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2450641643 - 2² = 2450641639 is a prime.

It is not a weakly prime, because it can be changed into another prime (2450641663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225320821 + 1225320822.

It is an arithmetic number, because the mean of its divisors is an integer number (1225320822).

Almost surely, 2^2450641643 is an apocalyptic number.

2450641643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2450641643 is an equidigital number, since it uses as much as digits as its factorization.

2450641643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2450641643 is about 49503.9558318323. The cubic root of 2450641643 is about 1348.2174265227.

The spelling of 2450641643 in words is "two billion, four hundred fifty million, six hundred forty-one thousand, six hundred forty-three".