2458644673 has 2 divisors, whose sum is σ = 2458644674. Its totient is φ = 2458644672.

The previous prime is 2458644611. The next prime is 2458644739. The reversal of 2458644673 is 3764468542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2384564224 + 74080449 = 48832^2 + 8607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2458644673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2458644173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229322336 + 1229322337.

It is an arithmetic number, because the mean of its divisors is an integer number (1229322337).

Almost surely, 2^2458644673 is an apocalyptic number.

It is an amenable number.

2458644673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2458644673 is an equidigital number, since it uses as much as digits as its factorization.

2458644673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 49.

The square root of 2458644673 is about 49584.7221732662. The cubic root of 2458644673 is about 1349.6834507925.

The spelling of 2458644673 in words is "two billion, four hundred fifty-eight million, six hundred forty-four thousand, six hundred seventy-three".