2071987147 has 2 divisors, whose sum is σ = 2071987148. Its totient is φ = 2071987146.

The previous prime is 2071987133. The next prime is 2071987171. The reversal of 2071987147 is 7417891702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2071987147 - 2⁷ = 2071987019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2071987097 and 2071987106.

It is not a weakly prime, because it can be changed into another prime (2071982147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035993573 + 1035993574.

It is an arithmetic number, because the mean of its divisors is an integer number (1035993574).

Almost surely, 2^2071987147 is an apocalyptic number.

2071987147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071987147 is an equidigital number, since it uses as much as digits as its factorization.

2071987147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 46.

The square root of 2071987147 is about 45519.0855246456. The cubic root of 2071987147 is about 1274.8595815115.

The spelling of 2071987147 in words is "two billion, seventy-one million, nine hundred eighty-seven thousand, one hundred forty-seven".