2090387134441 has 4 divisors (see below), whose sum is σ = 2090390759892. Its totient is φ = 2090383508992.

The previous prime is 2090387134403. The next prime is 2090387134447. The reversal of 2090387134441 is 1444317830902.

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 822576441600 + 1267810692841 = 906960^2 + 1125971^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090387134441 - 2⁷ = 2090387134313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2090387134391 and 2090387134400.

It is not an unprimeable number, because it can be changed into a prime (2090387134447) 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 3 ways as a sum of consecutive naturals, for example, 733780 + ... + 2172373.

It is an arithmetic number, because the mean of its divisors is an integer number (522597689973).

Almost surely, 2^{2090387134441} is an apocalyptic number.

It is an amenable number.

2090387134441 is a deficient number, since it is larger than the sum of its proper divisors (3625451).

2090387134441 is an equidigital number, since it uses as much as digits as its factorization.

2090387134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625450.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 2090387134441 in words is "two trillion, ninety billion, three hundred eighty-seven million, one hundred thirty-four thousand, four hundred forty-one".