6486985043998 has 4 divisors (see below), whose sum is σ = 9730477566000. Its totient is φ = 3243492521998.

The previous prime is 6486985043983. The next prime is 6486985043999. The reversal of 6486985043998 is 8993405896846.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6486985043998² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486985043999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621746260998 + ... + 1621746261001.

It is an arithmetic number, because the mean of its divisors is an integer number (2432619391500).

Almost surely, 2^{6486985043998} is an apocalyptic number.

6486985043998 is a deficient number, since it is larger than the sum of its proper divisors (3243492522002).

6486985043998 is a wasteful number, since it uses less digits than its factorization.

6486985043998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243492522001.

The product of its (nonzero) digits is 3224862720, while the sum is 79.

The spelling of 6486985043998 in words is "six trillion, four hundred eighty-six billion, nine hundred eighty-five million, forty-three thousand, nine hundred ninety-eight".