2381574408205 has 4 divisors (see below), whose sum is σ = 2857889289852. Its totient is φ = 1905259526560.

The previous prime is 2381574408203. The next prime is 2381574408221. The reversal of 2381574408205 is 5028044751832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1772205262564 + 609369145641 = 1331242^2 + 780621^2 .

It is not a de Polignac number, because 2381574408205 - 2¹ = 2381574408203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381574408203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238157440816 + ... + 238157440825.

It is an arithmetic number, because the mean of its divisors is an integer number (714472322463).

Almost surely, 2^{2381574408205} is an apocalyptic number.

It is an amenable number.

2381574408205 is a deficient number, since it is larger than the sum of its proper divisors (476314881647).

2381574408205 is an equidigital number, since it uses as much as digits as its factorization.

2381574408205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476314881646.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 2381574408205 in words is "two trillion, three hundred eighty-one billion, five hundred seventy-four million, four hundred eight thousand, two hundred five".