2065929771 has 32 divisors (see below), whose sum is σ = 2887073280. Its totient is φ = 1312812800.

The previous prime is 2065929763. The next prime is 2065929773. The reversal of 2065929771 is 1779295602.

It is a cyclic number.

It is not a de Polignac number, because 2065929771 - 2³ = 2065929763 is a prime.

It is a super-2 number, since 2×2065929771² = 8536131637408224882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2065929771.

It is not an unprimeable number, because it can be changed into a prime (2065929773) 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 31 ways as a sum of consecutive naturals, for example, 2026900 + ... + 2027918.

It is an arithmetic number, because the mean of its divisors is an integer number (90221040).

Almost surely, 2^2065929771 is an apocalyptic number.

2065929771 is a deficient number, since it is larger than the sum of its proper divisors (821143509).

2065929771 is a wasteful number, since it uses less digits than its factorization.

2065929771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 2065929771 is about 45452.5001622573. The cubic root of 2065929771 is about 1273.6160343242.

The spelling of 2065929771 in words is "two billion, sixty-five million, nine hundred twenty-nine thousand, seven hundred seventy-one".