2065742511 has 16 divisors (see below), whose sum is σ = 3153272064. Its totient is φ = 1178371584.

The previous prime is 2065742467. The next prime is 2065742513. The reversal of 2065742511 is 1152475602.

It is not a de Polignac number, because 2065742511 - 2⁹ = 2065741999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065742513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73125 + ... + 97358.

It is an arithmetic number, because the mean of its divisors is an integer number (197079504).

Almost surely, 2^2065742511 is an apocalyptic number.

2065742511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2065742511 is a deficient number, since it is larger than the sum of its proper divisors (1087529553).

2065742511 is a wasteful number, since it uses less digits than its factorization.

2065742511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171070.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2065742511 is about 45450.4401628851. The cubic root of 2065742511 is about 1273.5775521279.

The spelling of 2065742511 in words is "two billion, sixty-five million, seven hundred forty-two thousand, five hundred eleven".