1950382565 has 4 divisors (see below), whose sum is σ = 2340459084. Its totient is φ = 1560306048.

The previous prime is 1950382549. The next prime is 1950382571. The reversal of 1950382565 is 5652830591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1069420804 + 880961761 = 32702^2 + 29681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1950382565 - 2⁴ = 1950382549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195038252 + ... + 195038261.

It is an arithmetic number, because the mean of its divisors is an integer number (585114771).

Almost surely, 2^1950382565 is an apocalyptic number.

It is an amenable number.

1950382565 is a deficient number, since it is larger than the sum of its proper divisors (390076519).

1950382565 is an equidigital number, since it uses as much as digits as its factorization.

1950382565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390076518.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 1950382565 is about 44163.1358148400. The cubic root of 1950382565 is about 1249.4146731568.

The spelling of 1950382565 in words is "one billion, nine hundred fifty million, three hundred eighty-two thousand, five hundred sixty-five".