2678669920635 has 8 divisors (see below), whose sum is σ = 4285871873040. Its totient is φ = 1428623957664.

The previous prime is 2678669920601. The next prime is 2678669920643. The reversal of 2678669920635 is 5360299668762.

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

It is not a de Polignac number, because 2678669920635 - 2¹² = 2678669916539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2678669920635.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89288997340 + ... + 89288997369.

It is an arithmetic number, because the mean of its divisors is an integer number (535733984130).

Almost surely, 2^{2678669920635} is an apocalyptic number.

2678669920635 is a deficient number, since it is larger than the sum of its proper divisors (1607201952405).

2678669920635 is a wasteful number, since it uses less digits than its factorization.

2678669920635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178577994717.

The product of its (nonzero) digits is 352719360, while the sum is 69.

The spelling of 2678669920635 in words is "two trillion, six hundred seventy-eight billion, six hundred sixty-nine million, nine hundred twenty thousand, six hundred thirty-five".