2061273679 has 4 divisors (see below), whose sum is σ = 2061377640. Its totient is φ = 2061169720.

The previous prime is 2061273667. The next prime is 2061273733. The reversal of 2061273679 is 9763721602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2061273679 - 2²⁷ = 1927055951 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 (2061273649) 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, 11977 + ... + 65314.

It is an arithmetic number, because the mean of its divisors is an integer number (515344410).

Almost surely, 2^2061273679 is an apocalyptic number.

2061273679 is a deficient number, since it is larger than the sum of its proper divisors (103961).

2061273679 is an equidigital number, since it uses as much as digits as its factorization.

2061273679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103960.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 2061273679 is about 45401.2519541036. The cubic root of 2061273679 is about 1272.6585100062.

The spelling of 2061273679 in words is "two billion, sixty-one million, two hundred seventy-three thousand, six hundred seventy-nine".