2685498820920 has 48 divisors (see below), whose sum is σ = 8727871169160. Its totient is φ = 716133018816.

The previous prime is 2685498820891. The next prime is 2685498820957. The reversal of 2685498820920 is 290288945862.

2685498820920 is a `hidden beast` number, since 2 + 6 + 8 + 549 + 8 + 82 + 0 + 9 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3729859114 + ... + 3729859833.

Almost surely, 2^{2685498820920} is an apocalyptic number.

2685498820920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685498820920 is an abundant number, since it is smaller than the sum of its proper divisors (6042372348240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2685498820920 is a wasteful number, since it uses less digits than its factorization.

2685498820920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459718964 (or 7459718957 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 2685498820920 in words is "two trillion, six hundred eighty-five billion, four hundred ninety-eight million, eight hundred twenty thousand, nine hundred twenty".