2065009901 has 2 divisors, whose sum is σ = 2065009902. Its totient is φ = 2065009900.

The previous prime is 2065009879. The next prime is 2065009909. The reversal of 2065009901 is 1099005602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2003010025 + 61999876 = 44755^2 + 7874^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065009901 - 2³⁰ = 991268077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065009909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032504950 + 1032504951.

It is an arithmetic number, because the mean of its divisors is an integer number (1032504951).

Almost surely, 2^2065009901 is an apocalyptic number.

It is an amenable number.

2065009901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065009901 is an equidigital number, since it uses as much as digits as its factorization.

2065009901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2065009901 is about 45442.3800102944. The cubic root of 2065009901 is about 1273.4269773803.

The spelling of 2065009901 in words is "two billion, sixty-five million, nine thousand, nine hundred one".