2085965979619 has 4 divisors (see below), whose sum is σ = 2153255204800. Its totient is φ = 2018676754440.

The previous prime is 2085965979607. The next prime is 2085965979623. The reversal of 2085965979619 is 9169795695802.

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

It is a cyclic number.

It is not a de Polignac number, because 2085965979619 - 2⁷ = 2085965979491 is a prime.

It is a super-2 number, since 2×2085965979619² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085965979649) 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, 33644612544 + ... + 33644612605.

It is an arithmetic number, because the mean of its divisors is an integer number (538313801200).

Almost surely, 2^{2085965979619} is an apocalyptic number.

2085965979619 is a deficient number, since it is larger than the sum of its proper divisors (67289225181).

2085965979619 is an equidigital number, since it uses as much as digits as its factorization.

2085965979619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67289225180.

The product of its (nonzero) digits is 661348800, while the sum is 76.

The spelling of 2085965979619 in words is "two trillion, eighty-five billion, nine hundred sixty-five million, nine hundred seventy-nine thousand, six hundred nineteen".