2494335643 has 2 divisors, whose sum is σ = 2494335644. Its totient is φ = 2494335642.

The previous prime is 2494335631. The next prime is 2494335673. The reversal of 2494335643 is 3465334942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2494335643 - 2⁵ = 2494335611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2494335643.

It is not a weakly prime, because it can be changed into another prime (2494335673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247167821 + 1247167822.

It is an arithmetic number, because the mean of its divisors is an integer number (1247167822).

Almost surely, 2^2494335643 is an apocalyptic number.

2494335643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494335643 is an equidigital number, since it uses as much as digits as its factorization.

2494335643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 43.

The square root of 2494335643 is about 49943.3243086601. The cubic root of 2494335643 is about 1356.1830044759.

The spelling of 2494335643 in words is "two billion, four hundred ninety-four million, three hundred thirty-five thousand, six hundred forty-three".