84505131048013 has 8 divisors (see below), whose sum is σ = 91005778650528. Its totient is φ = 78004519575024.

The previous prime is 84505131047963. The next prime is 84505131048053. The reversal of 84505131048013 is 31084013150548.

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 84505131048013 - 2⁹ = 84505131047501 is a prime.

It is a super-2 number, since 2×84505131048013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84505131048053) 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 7 ways as a sum of consecutive naturals, for example, 4073731 + ... + 13623712.

It is an arithmetic number, because the mean of its divisors is an integer number (11375722331316).

Almost surely, 2^{84505131048013} is an apocalyptic number.

It is an amenable number.

84505131048013 is a deficient number, since it is larger than the sum of its proper divisors (6500647602515).

84505131048013 is a wasteful number, since it uses less digits than its factorization.

84505131048013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18064763.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 84505131048013 in words is "eighty-four trillion, five hundred five billion, one hundred thirty-one million, forty-eight thousand, thirteen".