3838745164145 has 8 divisors (see below), whose sum is σ = 4618097459304. Its totient is φ = 3063260623104.

The previous prime is 3838745164109. The next prime is 3838745164147. The reversal of 3838745164145 is 5414615478383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1788628060816 + 2050117103329 = 1337396^2 + 1431823^2 .

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 3838745164145 - 2¹² = 3838745160049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3838745164147) 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, 966936344 + ... + 966940313.

It is an arithmetic number, because the mean of its divisors is an integer number (577262182413).

Almost surely, 2^{3838745164145} is an apocalyptic number.

It is an amenable number.

3838745164145 is a deficient number, since it is larger than the sum of its proper divisors (779352295159).

3838745164145 is a wasteful number, since it uses less digits than its factorization.

3838745164145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933877059.

The product of its digits is 38707200, while the sum is 59.

The spelling of 3838745164145 in words is "three trillion, eight hundred thirty-eight billion, seven hundred forty-five million, one hundred sixty-four thousand, one hundred forty-five".