2684891545386 has 16 divisors (see below), whose sum is σ = 5374695988704. Its totient is φ = 894145032144.

The previous prime is 2684891545373. The next prime is 2684891545387. The reversal of 2684891545386 is 6835451984862.

It is a super-2 number, since 2×2684891545386² (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 2684891545386.

It is not an unprimeable number, because it can be changed into a prime (2684891545387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204696976 + ... + 204710091.

It is an arithmetic number, because the mean of its divisors is an integer number (335918499294).

Almost surely, 2^{2684891545386} is an apocalyptic number.

2684891545386 is an abundant number, since it is smaller than the sum of its proper divisors (2689804443318).

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

2684891545386 is a wasteful number, since it uses less digits than its factorization.

2684891545386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409408165.

The product of its digits is 398131200, while the sum is 69.

The spelling of 2684891545386 in words is "two trillion, six hundred eighty-four billion, eight hundred ninety-one million, five hundred forty-five thousand, three hundred eighty-six".