2065742386 has 16 divisors (see below), whose sum is σ = 3281969880. Its totient is φ = 971792640.

The previous prime is 2065742347. The next prime is 2065742431. The reversal of 2065742386 is 6832475602.

It can be written as a sum of positive squares in 4 ways, for example, as 1096603225 + 969139161 = 33115^2 + 31131^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117916 + ... + 134296.

Almost surely, 2^2065742386 is an apocalyptic number.

2065742386 is a deficient number, since it is larger than the sum of its proper divisors (1216227494).

2065742386 is a wasteful number, since it uses less digits than its factorization.

2065742386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 2065742386 is about 45450.4387877609. The cubic root of 2065742386 is about 1273.5775264395.

The spelling of 2065742386 in words is "two billion, sixty-five million, seven hundred forty-two thousand, three hundred eighty-six".