3834120684745 has 8 divisors (see below), whose sum is σ = 4954863654216. Its totient is φ = 2831350659456.

The previous prime is 3834120684743. The next prime is 3834120684769. The reversal of 3834120684745 is 5474860214383.

It can be written as a sum of positive squares in 4 ways, for example, as 14175521721 + 3819945163024 = 119061^2 + 1954468^2 .

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 3834120684745 - 2¹ = 3834120684743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3834120684743) 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, 29493235972 + ... + 29493236101.

It is an arithmetic number, because the mean of its divisors is an integer number (619357956777).

Almost surely, 2^{3834120684745} is an apocalyptic number.

It is an amenable number.

3834120684745 is a deficient number, since it is larger than the sum of its proper divisors (1120742969471).

3834120684745 is a wasteful number, since it uses less digits than its factorization.

3834120684745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58986472091.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 3834120684745 in words is "three trillion, eight hundred thirty-four billion, one hundred twenty million, six hundred eighty-four thousand, seven hundred forty-five".