2071747081 has 8 divisors (see below), whose sum is σ = 2167875584. Its totient is φ = 1977449760.

The previous prime is 2071747079. The next prime is 2071747091. The reversal of 2071747081 is 1807471702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2071747081 - 2¹ = 2071747079 is a prime.

It is a super-2 number, since 2×2071747081² = 8584271935264041122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2071747081.

It is not an unprimeable number, because it can be changed into a prime (2071747001) 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 7 ways as a sum of consecutive naturals, for example, 455481 + ... + 460006.

It is an arithmetic number, because the mean of its divisors is an integer number (270984448).

Almost surely, 2^2071747081 is an apocalyptic number.

It is an amenable number.

2071747081 is a deficient number, since it is larger than the sum of its proper divisors (96128503).

2071747081 is an equidigital number, since it uses as much as digits as its factorization.

2071747081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915591.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 2071747081 is about 45516.4484664610. The cubic root of 2071747081 is about 1274.8103433906.

The spelling of 2071747081 in words is "two billion, seventy-one million, seven hundred forty-seven thousand, eighty-one".