2071811461 has 2 divisors, whose sum is σ = 2071811462. Its totient is φ = 2071811460.

The previous prime is 2071811431. The next prime is 2071811473. The reversal of 2071811461 is 1641181702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1529201025 + 542610436 = 39105^2 + 23294^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071811461 - 2⁵ = 2071811429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071811431) 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 as a sum of consecutive naturals, namely, 1035905730 + 1035905731.

It is an arithmetic number, because the mean of its divisors is an integer number (1035905731).

Almost surely, 2^2071811461 is an apocalyptic number.

It is an amenable number.

2071811461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071811461 is an equidigital number, since it uses as much as digits as its factorization.

2071811461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 2071811461 is about 45517.1556778321. The cubic root of 2071811461 is about 1274.8235482585.

The spelling of 2071811461 in words is "two billion, seventy-one million, eight hundred eleven thousand, four hundred sixty-one".