2685410653 has 2 divisors, whose sum is σ = 2685410654. Its totient is φ = 2685410652.

The previous prime is 2685410647. The next prime is 2685410677. The reversal of 2685410653 is 3560145862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1415414884 + 1269995769 = 37622^2 + 35637^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685410653 - 2⁹ = 2685410141 is a prime.

It is a super-2 number, since 2×2685410653² = 14422860750491772818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685410633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342705326 + 1342705327.

It is an arithmetic number, because the mean of its divisors is an integer number (1342705327).

Almost surely, 2^2685410653 is an apocalyptic number.

It is an amenable number.

2685410653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685410653 is an equidigital number, since it uses as much as digits as its factorization.

2685410653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 2685410653 is about 51820.9480133276. The cubic root of 2685410653 is about 1389.9640542436.

The spelling of 2685410653 in words is "two billion, six hundred eighty-five million, four hundred ten thousand, six hundred fifty-three".