2061268879 has 4 divisors (see below), whose sum is σ = 2061544176. Its totient is φ = 2060993584.

The previous prime is 2061268871. The next prime is 2061268883. The reversal of 2061268879 is 9788621602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9788621602 = 2 ⋅4894310801.

It is a cyclic number.

It is not a de Polignac number, because 2061268879 - 2³ = 2061268871 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061268871) 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, 126094 + ... + 141499.

It is an arithmetic number, because the mean of its divisors is an integer number (515386044).

Almost surely, 2^2061268879 is an apocalyptic number.

2061268879 is a deficient number, since it is larger than the sum of its proper divisors (275297).

2061268879 is an equidigital number, since it uses as much as digits as its factorization.

2061268879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275296.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 2061268879 is about 45401.1990920945. The cubic root of 2061268879 is about 1272.6575221436.

The spelling of 2061268879 in words is "two billion, sixty-one million, two hundred sixty-eight thousand, eight hundred seventy-nine".