2065219497 has 40 divisors (see below), whose sum is σ = 3542705760. Its totient is φ = 1185762240.

The previous prime is 2065219469. The next prime is 2065219511. The reversal of 2065219497 is 7949125602.

It is not a de Polignac number, because 2065219497 - 2¹⁰ = 2065218473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2065219097) 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 in 39 ways as a sum of consecutive naturals, for example, 44068 + ... + 77925.

It is an arithmetic number, because the mean of its divisors is an integer number (88567644).

Almost surely, 2^2065219497 is an apocalyptic number.

2065219497 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2065219497 is a deficient number, since it is larger than the sum of its proper divisors (1477486263).

2065219497 is a wasteful number, since it uses less digits than its factorization.

2065219497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122035 (or 122026 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 2065219497 is about 45444.6861250026. The cubic root of 2065219497 is about 1273.4700596872.

The spelling of 2065219497 in words is "two billion, sixty-five million, two hundred nineteen thousand, four hundred ninety-seven".