2481764643 has 8 divisors (see below), whose sum is σ = 3676688400. Its totient is φ = 1654509744.

The previous prime is 2481764599. The next prime is 2481764671. The reversal of 2481764643 is 3464671842.

It is not a de Polignac number, because 2481764643 - 2⁸ = 2481764387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2481764683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45958578 + ... + 45958631.

It is an arithmetic number, because the mean of its divisors is an integer number (459586050).

Almost surely, 2^2481764643 is an apocalyptic number.

2481764643 is a deficient number, since it is larger than the sum of its proper divisors (1194923757).

2481764643 is an equidigital number, since it uses as much as digits as its factorization.

2481764643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91917218 (or 91917212 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 2481764643 is about 49817.3126834437. The cubic root of 2481764643 is about 1353.9008607131.

The spelling of 2481764643 in words is "two billion, four hundred eighty-one million, seven hundred sixty-four thousand, six hundred forty-three".