2665983071 has 2 divisors, whose sum is σ = 2665983072. Its totient is φ = 2665983070.

The previous prime is 2665983029. The next prime is 2665983091. The reversal of 2665983071 is 1703895662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2665983071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2665983091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332991535 + 1332991536.

It is an arithmetic number, because the mean of its divisors is an integer number (1332991536).

Almost surely, 2^2665983071 is an apocalyptic number.

2665983071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665983071 is an equidigital number, since it uses as much as digits as its factorization.

2665983071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 2665983071 is about 51633.1586386113. The cubic root of 2665983071 is about 1386.6040438839.

The spelling of 2665983071 in words is "two billion, six hundred sixty-five million, nine hundred eighty-three thousand, seventy-one".