2894238174685 has 16 divisors (see below), whose sum is σ = 4080268644480. Its totient is φ = 1942985067840.

The previous prime is 2894238174683. The next prime is 2894238174731. The reversal of 2894238174685 is 5864718324982.

It is not a de Polignac number, because 2894238174685 - 2¹ = 2894238174683 is a prime.

It is a super-2 number, since 2×2894238174685² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2894238174685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2894238174683) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2023942065 + ... + 2023943494.

It is an arithmetic number, because the mean of its divisors is an integer number (255016790280).

Almost surely, 2^{2894238174685} is an apocalyptic number.

It is an amenable number.

2894238174685 is a deficient number, since it is larger than the sum of its proper divisors (1186030469795).

2894238174685 is a wasteful number, since it uses less digits than its factorization.

2894238174685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047885588.

The product of its digits is 185794560, while the sum is 67.

The spelling of 2894238174685 in words is "two trillion, eight hundred ninety-four billion, two hundred thirty-eight million, one hundred seventy-four thousand, six hundred eighty-five".