2065979450 has 12 divisors (see below), whose sum is σ = 3842721870. Its totient is φ = 826391760.

The previous prime is 2065979441. The next prime is 2065979453. The reversal of 2065979450 is 549795602.

It can be written as a sum of positive squares in 3 ways, for example, as 1552911649 + 513067801 = 39407^2 + 22651^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2065979395 and 2065979404.

It is not an unprimeable number, because it can be changed into a prime (2065979453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20659745 + ... + 20659844.

Almost surely, 2^2065979450 is an apocalyptic number.

2065979450 is a deficient number, since it is larger than the sum of its proper divisors (1776742420).

2065979450 is a wasteful number, since it uses less digits than its factorization.

2065979450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41319601 (or 41319596 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 2065979450 is about 45453.0466525622. The cubic root of 2065979450 is about 1273.6262430391.

The spelling of 2065979450 in words is "two billion, sixty-five million, nine hundred seventy-nine thousand, four hundred fifty".