6243292638985 has 16 divisors (see below), whose sum is σ = 7580466064512. Its totient is φ = 4935940588800.

The previous prime is 6243292638889. The next prime is 6243292638991. The reversal of 6243292638985 is 5898362923426.

It is not a de Polignac number, because 6243292638985 - 2¹¹ = 6243292636937 is a prime.

It is a super-3 number, since 3×6243292638985³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6243292638985.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19617549 + ... + 19933258.

It is an arithmetic number, because the mean of its divisors is an integer number (473779129032).

Almost surely, 2^{6243292638985} is an apocalyptic number.

It is an amenable number.

6243292638985 is a deficient number, since it is larger than the sum of its proper divisors (1337173425527).

6243292638985 is a wasteful number, since it uses less digits than its factorization.

6243292638985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39551184.

The product of its digits is 268738560, while the sum is 67.

The spelling of 6243292638985 in words is "six trillion, two hundred forty-three billion, two hundred ninety-two million, six hundred thirty-eight thousand, nine hundred eighty-five".