2061867793 has 4 divisors (see below), whose sum is σ = 2083124260. Its totient is φ = 2040611328.

The previous prime is 2061867791. The next prime is 2061867799. The reversal of 2061867793 is 3977681602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3977681602 = 2 ⋅1988840801.

It can be written as a sum of positive squares in 2 ways, for example, as 373726224 + 1688141569 = 19332^2 + 41087^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061867793 - 2¹ = 2061867791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061867791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10628088 + ... + 10628281.

It is an arithmetic number, because the mean of its divisors is an integer number (520781065).

Almost surely, 2^2061867793 is an apocalyptic number.

It is an amenable number.

2061867793 is a deficient number, since it is larger than the sum of its proper divisors (21256467).

2061867793 is an equidigital number, since it uses as much as digits as its factorization.

2061867793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21256466.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 2061867793 is about 45407.7944080089. The cubic root of 2061867793 is about 1272.7807696256.

The spelling of 2061867793 in words is "two billion, sixty-one million, eight hundred sixty-seven thousand, seven hundred ninety-three".