2083961083609 has 4 divisors (see below), whose sum is σ = 2155821810660. Its totient is φ = 2012100356560.

The previous prime is 2083961083601. The next prime is 2083961083637. The reversal of 2083961083609 is 9063801693802.

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 1357423057225 + 726538026384 = 1165085^2 + 852372^2 .

It is a cyclic number.

It is not a de Polignac number, because 2083961083609 - 2³ = 2083961083601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2083961083609.

It is not an unprimeable number, because it can be changed into a prime (2083961083601) 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, 35930363482 + ... + 35930363539.

It is an arithmetic number, because the mean of its divisors is an integer number (538955452665).

Almost surely, 2^{2083961083609} is an apocalyptic number.

2083961083609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2083961083609 is a deficient number, since it is larger than the sum of its proper divisors (71860727051).

2083961083609 is an equidigital number, since it uses as much as digits as its factorization.

2083961083609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71860727050.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 2083961083609 in words is "two trillion, eighty-three billion, nine hundred sixty-one million, eighty-three thousand, six hundred nine".