6817723042488 has 64 divisors (see below), whose sum is σ = 17941685673600. Its totient is φ = 2152928062080.

The previous prime is 6817723042477. The next prime is 6817723042523. The reversal of 6817723042488 is 8842403277186.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40139470 + ... + 40308962.

It is an arithmetic number, because the mean of its divisors is an integer number (280338838650).

Almost surely, 2^{6817723042488} is an apocalyptic number.

It is an amenable number.

6817723042488 is an abundant number, since it is smaller than the sum of its proper divisors (11123962631112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6817723042488 is a wasteful number, since it uses less digits than its factorization.

6817723042488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257732 (or 257728 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 6817723042488 in words is "six trillion, eight hundred seventeen billion, seven hundred twenty-three million, forty-two thousand, four hundred eighty-eight".