2686991962720 has 96 divisors (see below), whose sum is σ = 6981781661568. Its totient is φ = 971011135488.

The previous prime is 2686991962717. The next prime is 2686991962747. The reversal of 2686991962720 is 272691996862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13645039 + ... + 13840558.

It is an arithmetic number, because the mean of its divisors is an integer number (72726892308).

Almost surely, 2^{2686991962720} is an apocalyptic number.

2686991962720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686991962720 is an abundant number, since it is smaller than the sum of its proper divisors (4294789698848).

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

2686991962720 is a wasteful number, since it uses less digits than its factorization.

2686991962720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27485672 (or 27485664 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 67.

The spelling of 2686991962720 in words is "two trillion, six hundred eighty-six billion, nine hundred ninety-one million, nine hundred sixty-two thousand, seven hundred twenty".