6845453861 has 8 divisors (see below), whose sum is σ = 6946869600. Its totient is φ = 6744740400.

The previous prime is 6845453789. The next prime is 6845453873. The reversal of 6845453861 is 1683545486.

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

It is a cyclic number.

It is not a de Polignac number, because 6845453861 - 2¹⁰ = 6845452837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845453891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155915 + ... + 194936.

It is an arithmetic number, because the mean of its divisors is an integer number (868358700).

Almost surely, 2^6845453861 is an apocalyptic number.

It is an amenable number.

6845453861 is a deficient number, since it is larger than the sum of its proper divisors (101415739).

6845453861 is a wasteful number, since it uses less digits than its factorization.

6845453861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351139.

The product of its digits is 2764800, while the sum is 50.

The square root of 6845453861 is about 82737.2579978331. The cubic root of 6845453861 is about 1898.7483779854.

It can be divided in two parts, 684 and 5453861, that added together give a palindrome (5454545).

The spelling of 6845453861 in words is "six billion, eight hundred forty-five million, four hundred fifty-three thousand, eight hundred sixty-one".