2061019047 has 4 divisors (see below), whose sum is σ = 2748025400. Its totient is φ = 1374012696.

The previous prime is 2061018991. The next prime is 2061019057. The reversal of 2061019047 is 7409101602.

It is a happy number.

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

It is not a de Polignac number, because 2061019047 - 2¹⁶ = 2060953511 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 (2061019057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343503172 + ... + 343503177.

It is an arithmetic number, because the mean of its divisors is an integer number (687006350).

Almost surely, 2^2061019047 is an apocalyptic number.

2061019047 is a deficient number, since it is larger than the sum of its proper divisors (687006353).

2061019047 is an equidigital number, since it uses as much as digits as its factorization.

2061019047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687006352.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2061019047 is about 45398.4476276447. The cubic root of 2061019047 is about 1272.6061034238.

The spelling of 2061019047 in words is "two billion, sixty-one million, nineteen thousand, forty-seven".