3816749497345 has 8 divisors (see below), whose sum is σ = 4580439828264. Its totient is φ = 3053172643584.

The previous prime is 3816749497343. The next prime is 3816749497381. The reversal of 3816749497345 is 5437949476183.

It can be written as a sum of positive squares in 4 ways, for example, as 1868904992241 + 1947844505104 = 1367079^2 + 1395652^2 .

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 3816749497345 - 2¹ = 3816749497343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3816749497343) 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, 28295274 + ... + 28429843.

It is an arithmetic number, because the mean of its divisors is an integer number (572554978533).

Almost surely, 2^{3816749497345} is an apocalyptic number.

It is an amenable number.

3816749497345 is a deficient number, since it is larger than the sum of its proper divisors (763690330919).

3816749497345 is a wasteful number, since it uses less digits than its factorization.

3816749497345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56738579.

The product of its digits is 548674560, while the sum is 70.

The spelling of 3816749497345 in words is "three trillion, eight hundred sixteen billion, seven hundred forty-nine million, four hundred ninety-seven thousand, three hundred forty-five".