2685436743 has 64 divisors (see below), whose sum is σ = 4147200000. Its totient is φ = 1530587520.

The previous prime is 2685436693. The next prime is 2685436769. The reversal of 2685436743 is 3476345862.

It is not a de Polignac number, because 2685436743 - 2¹² = 2685432647 is a prime.

Its product of digits (2903040) is a multiple of the sum of its prime divisors (540).

It is a junction number, because it is equal to n+sod(n) for n = 2685436692 and 2685436701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685436843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11236018 + ... + 11236256.

It is an arithmetic number, because the mean of its divisors is an integer number (64800000).

Almost surely, 2^2685436743 is an apocalyptic number.

2685436743 is a deficient number, since it is larger than the sum of its proper divisors (1461763257).

2685436743 is a wasteful number, since it uses less digits than its factorization.

2685436743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 2903040, while the sum is 48.

The square root of 2685436743 is about 51821.1997448921. The cubic root of 2685436743 is about 1389.9685556091.

The spelling of 2685436743 in words is "two billion, six hundred eighty-five million, four hundred thirty-six thousand, seven hundred forty-three".