2686538012454 has 48 divisors (see below), whose sum is σ = 5825716737984. Its totient is φ = 894761481600.

The previous prime is 2686538012453. The next prime is 2686538012507. The reversal of 2686538012454 is 4542108356862.

2686538012454 is a `hidden beast` number, since 2 + 6 + 86 + 538 + 0 + 1 + 24 + 5 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2686538012454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686538012453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247350984 + ... + 247361844.

It is an arithmetic number, because the mean of its divisors is an integer number (121369098708).

Almost surely, 2^{2686538012454} is an apocalyptic number.

2686538012454 is an abundant number, since it is smaller than the sum of its proper divisors (3139178725530).

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

2686538012454 is a wasteful number, since it uses less digits than its factorization.

2686538012454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133 (or 21130 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 2686538012454 in words is "two trillion, six hundred eighty-six billion, five hundred thirty-eight million, twelve thousand, four hundred fifty-four".