2685395543 has 2 divisors, whose sum is σ = 2685395544. Its totient is φ = 2685395542.

The previous prime is 2685395519. The next prime is 2685395549. The reversal of 2685395543 is 3455935862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2685395543 - 2²⁰ = 2684346967 is a prime.

It is a super-2 number, since 2×2685395543² = 14422698444728529698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2685395491 and 2685395500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685395549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342697771 + 1342697772.

It is an arithmetic number, because the mean of its divisors is an integer number (1342697772).

Almost surely, 2^2685395543 is an apocalyptic number.

2685395543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685395543 is an equidigital number, since it uses as much as digits as its factorization.

2685395543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 50.

The square root of 2685395543 is about 51820.8022226596. The cubic root of 2685395543 is about 1389.9614472685.

The spelling of 2685395543 in words is "two billion, six hundred eighty-five million, three hundred ninety-five thousand, five hundred forty-three".