2686480510021 has 32 divisors (see below), whose sum is σ = 3395640960000. Its totient is φ = 2064453713280.

The previous prime is 2686480510009. The next prime is 2686480510037. The reversal of 2686480510021 is 1200150846862.

It is not a de Polignac number, because 2686480510021 - 2⁹ = 2686480509509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2686480510021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686480510421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63490530 + ... + 63532828.

It is an arithmetic number, because the mean of its divisors is an integer number (106113780000).

Almost surely, 2^{2686480510021} is an apocalyptic number.

It is an amenable number.

2686480510021 is a deficient number, since it is larger than the sum of its proper divisors (709160449979).

2686480510021 is a wasteful number, since it uses less digits than its factorization.

2686480510021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53689.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 2686480510021 in words is "two trillion, six hundred eighty-six billion, four hundred eighty million, five hundred ten thousand, twenty-one".