2073866861 has 16 divisors (see below), whose sum is σ = 2339690496. Its totient is φ = 1821150000.

The previous prime is 2073866857. The next prime is 2073866867. The reversal of 2073866861 is 1686683702.

It is a cyclic number.

It is not a de Polignac number, because 2073866861 - 2² = 2073866857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073866867) 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 15 ways as a sum of consecutive naturals, for example, 189386 + ... + 200036.

It is an arithmetic number, because the mean of its divisors is an integer number (146230656).

Almost surely, 2^2073866861 is an apocalyptic number.

It is an amenable number.

2073866861 is a deficient number, since it is larger than the sum of its proper divisors (265823635).

2073866861 is a wasteful number, since it uses less digits than its factorization.

2073866861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2073866861 is about 45539.7283808325. The cubic root of 2073866861 is about 1275.2449840153.

The spelling of 2073866861 in words is "two billion, seventy-three million, eight hundred sixty-six thousand, eight hundred sixty-one".