84549117313 has 8 divisors (see below), whose sum is σ = 91706073480. Its totient is φ = 77634769920.

The previous prime is 84549117307. The next prime is 84549117343. The reversal of 84549117313 is 31371194548.

It can be written as a sum of positive squares in 4 ways, for example, as 17111779344 + 67437337969 = 130812^2 + 259687^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84549117313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84549117343) 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, 60651468 + ... + 60652861.

It is an arithmetic number, because the mean of its divisors is an integer number (11463259185).

Almost surely, 2^84549117313 is an apocalyptic number.

It is an amenable number.

84549117313 is a deficient number, since it is larger than the sum of its proper divisors (7156956167).

84549117313 is a wasteful number, since it uses less digits than its factorization.

84549117313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121304387.

The product of its digits is 362880, while the sum is 46.

The spelling of 84549117313 in words is "eighty-four billion, five hundred forty-nine million, one hundred seventeen thousand, three hundred thirteen".