2542664245 has 16 divisors (see below), whose sum is σ = 3524378688. Its totient is φ = 1740432640.

The previous prime is 2542664207. The next prime is 2542664251. The reversal of 2542664245 is 5424662452.

It is not a de Polignac number, because 2542664245 - 2¹⁷ = 2542533173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542664198 and 2542664207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358779 + ... + 1360648.

It is an arithmetic number, because the mean of its divisors is an integer number (220273668).

Almost surely, 2^2542664245 is an apocalyptic number.

It is an amenable number.

2542664245 is a deficient number, since it is larger than the sum of its proper divisors (981714443).

2542664245 is a wasteful number, since it uses less digits than its factorization.

2542664245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719460.

The product of its digits is 460800, while the sum is 40.

The square root of 2542664245 is about 50424.8375803036. The cubic root of 2542664245 is about 1364.8858729111.

The spelling of 2542664245 in words is "two billion, five hundred forty-two million, six hundred sixty-four thousand, two hundred forty-five".