2528366685 has 16 divisors (see below), whose sum is σ = 4356570624. Its totient is φ = 1244734272.

The previous prime is 2528366683. The next prime is 2528366723. The reversal of 2528366685 is 5866638252.

It is not a de Polignac number, because 2528366685 - 2¹ = 2528366683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528366681) 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 15 ways as a sum of consecutive naturals, for example, 6482797 + ... + 6483186.

It is an arithmetic number, because the mean of its divisors is an integer number (272285664).

Almost surely, 2^2528366685 is an apocalyptic number.

It is an amenable number.

2528366685 is a deficient number, since it is larger than the sum of its proper divisors (1828203939).

2528366685 is a wasteful number, since it uses less digits than its factorization.

2528366685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966004.

The product of its digits is 4147200, while the sum is 51.

The square root of 2528366685 is about 50282.8667142199. The cubic root of 2528366685 is about 1362.3227832242.

The spelling of 2528366685 in words is "two billion, five hundred twenty-eight million, three hundred sixty-six thousand, six hundred eighty-five".