2385405738833 has 6 divisors (see below), whose sum is σ = 2583013315014. Its totient is φ = 2201912989536.

The previous prime is 2385405738809. The next prime is 2385405738883. The reversal of 2385405738833 is 3388375045832.

It can be written as a sum of positive squares in 3 ways, for example, as 12536609089 + 2372869129744 = 111967^2 + 1540412^2 .

It is not a de Polignac number, because 2385405738833 - 2¹⁶ = 2385405673297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2385405738883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7057413260 + ... + 7057413597.

It is an arithmetic number, because the mean of its divisors is an integer number (430502219169).

Almost surely, 2^{2385405738833} is an apocalyptic number.

It is an amenable number.

2385405738833 is a deficient number, since it is larger than the sum of its proper divisors (197607576181).

2385405738833 is a wasteful number, since it uses less digits than its factorization.

2385405738833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14114826883 (or 14114826870 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 59.

The spelling of 2385405738833 in words is "two trillion, three hundred eighty-five billion, four hundred five million, seven hundred thirty-eight thousand, eight hundred thirty-three".