2494707845 has 18 divisors (see below), whose sum is σ = 3483500166. Its totient is φ = 1710120720.

The previous prime is 2494707799. The next prime is 2494707881. The reversal of 2494707845 is 5487074942.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1995766276 + 498941569 = 44674^2 + 22337^2 .

It is not a de Polignac number, because 2494707845 - 2⁶ = 2494707781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2494707793 and 2494707802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 780200 + ... + 783390.

It is an arithmetic number, because the mean of its divisors is an integer number (193527787).

Almost surely, 2^2494707845 is an apocalyptic number.

It is an amenable number.

2494707845 is a deficient number, since it is larger than the sum of its proper divisors (988792321).

2494707845 is an frugal number, since it uses more digits than its factorization.

2494707845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The square root of 2494707845 is about 49947.0504134128. The cubic root of 2494707845 is about 1356.2504571625.

The spelling of 2494707845 in words is "two billion, four hundred ninety-four million, seven hundred seven thousand, eight hundred forty-five".