6738085387345 has 8 divisors (see below), whose sum is σ = 8707679577576. Its totient is φ = 4975816901376.

The previous prime is 6738085387343. The next prime is 6738085387351. The reversal of 6738085387345 is 5437835808376.

It can be written as a sum of positive squares in 4 ways, for example, as 130517457984 + 6607567929361 = 361272^2 + 2570519^2 .

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 6738085387345 - 2¹ = 6738085387343 is a prime.

It is a super-2 number, since 2×6738085387345² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6738085387343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51831425992 + ... + 51831426121.

It is an arithmetic number, because the mean of its divisors is an integer number (1088459947197).

Almost surely, 2^{6738085387345} is an apocalyptic number.

6738085387345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6738085387345 is a deficient number, since it is larger than the sum of its proper divisors (1969594190231).

6738085387345 is a wasteful number, since it uses less digits than its factorization.

6738085387345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103662852131.

The product of its (nonzero) digits is 406425600, while the sum is 67.

The spelling of 6738085387345 in words is "six trillion, seven hundred thirty-eight billion, eighty-five million, three hundred eighty-seven thousand, three hundred forty-five".