2685257418610 has 16 divisors (see below), whose sum is σ = 5205268227096. Its totient is φ = 991479662208.

The previous prime is 2685257418593. The next prime is 2685257418611. The reversal of 2685257418610 is 168147525862.

It can be written as a sum of positive squares in 4 ways, for example, as 1070001979281 + 1615255439329 = 1034409^2 + 1270927^2 .

It is not an unprimeable number, because it can be changed into a prime (2685257418611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10327913019 + ... + 10327913278.

Almost surely, 2^{2685257418610} is an apocalyptic number.

2685257418610 is a deficient number, since it is larger than the sum of its proper divisors (2520010808486).

2685257418610 is a wasteful number, since it uses less digits than its factorization.

2685257418610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20655826317.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 2685257418610 in words is "two trillion, six hundred eighty-five billion, two hundred fifty-seven million, four hundred eighteen thousand, six hundred ten".