2686734240634 has 8 divisors (see below), whose sum is σ = 4035706511040. Its totient is φ = 1341498736956.

The previous prime is 2686734240611. The next prime is 2686734240653. The reversal of 2686734240634 is 4360424376862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934189884 + ... + 934192759.

It is an arithmetic number, because the mean of its divisors is an integer number (504463313880).

Almost surely, 2^{2686734240634} is an apocalyptic number.

2686734240634 is a deficient number, since it is larger than the sum of its proper divisors (1348972270406).

2686734240634 is a wasteful number, since it uses less digits than its factorization.

2686734240634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868383364.

The product of its (nonzero) digits is 27869184, while the sum is 55.

The spelling of 2686734240634 in words is "two trillion, six hundred eighty-six billion, seven hundred thirty-four million, two hundred forty thousand, six hundred thirty-four".