2071944856 has 8 divisors (see below), whose sum is σ = 3884896620. Its totient is φ = 1035972424.

The previous prime is 2071944841. The next prime is 2071944883. The reversal of 2071944856 is 6584491702.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129496546 + ... + 129496561.

Almost surely, 2^2071944856 is an apocalyptic number.

It is an amenable number.

2071944856 is a deficient number, since it is larger than the sum of its proper divisors (1812951764).

2071944856 is a wasteful number, since it uses less digits than its factorization.

2071944856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258993113 (or 258993109 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2071944856 is about 45518.6209808689. The cubic root of 2071944856 is about 1274.8509078005.

The spelling of 2071944856 in words is "two billion, seventy-one million, nine hundred forty-four thousand, eight hundred fifty-six".