6375499717861 has 8 divisors (see below), whose sum is σ = 6652959655680. Its totient is φ = 6098061804912.

The previous prime is 6375499717831. The next prime is 6375499717933. The reversal of 6375499717861 is 1687179945736.

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 6375499717861 - 2²⁹ = 6374962846949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6375499717831) 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, 4913325 + ... + 6073858.

It is an arithmetic number, because the mean of its divisors is an integer number (831619956960).

Almost surely, 2^{6375499717861} is an apocalyptic number.

It is an amenable number.

6375499717861 is a deficient number, since it is larger than the sum of its proper divisors (277459937819).

6375499717861 is a wasteful number, since it uses less digits than its factorization.

6375499717861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012435.

The product of its digits is 480090240, while the sum is 73.

The spelling of 6375499717861 in words is "six trillion, three hundred seventy-five billion, four hundred ninety-nine million, seven hundred seventeen thousand, eight hundred sixty-one".