2067491078 has 4 divisors (see below), whose sum is σ = 3101236620. Its totient is φ = 1033745538.

The previous prime is 2067491059. The next prime is 2067491089. The reversal of 2067491078 is 8701947602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8701947602 = 2 ⋅4350973801.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 516872768 + ... + 516872771.

It is an arithmetic number, because the mean of its divisors is an integer number (775309155).

Almost surely, 2^2067491078 is an apocalyptic number.

2067491078 is a deficient number, since it is larger than the sum of its proper divisors (1033745542).

2067491078 is a wasteful number, since it uses less digits than its factorization.

2067491078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033745541.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 2067491078 is about 45469.6720683138. The cubic root of 2067491078 is about 1273.9367946483.

The spelling of 2067491078 in words is "two billion, sixty-seven million, four hundred ninety-one thousand, seventy-eight".