1684854473452 has 24 divisors (see below), whose sum is σ = 3078649469952. Its totient is φ = 805286974800.

The previous prime is 1684854473417. The next prime is 1684854473453. The reversal of 1684854473452 is 2543744584861.

It is a super-2 number, since 2×1684854473452² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1684854473453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5684124 + ... + 5973187.

It is an arithmetic number, because the mean of its divisors is an integer number (128277061248).

Almost surely, 2^{1684854473452} is an apocalyptic number.

It is an amenable number.

1684854473452 is a deficient number, since it is larger than the sum of its proper divisors (1393794996500).

1684854473452 is a wasteful number, since it uses less digits than its factorization.

1684854473452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11658909 (or 11658907 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 61.

The spelling of 1684854473452 in words is "one trillion, six hundred eighty-four billion, eight hundred fifty-four million, four hundred seventy-three thousand, four hundred fifty-two".