1928475065 has 8 divisors (see below), whose sum is σ = 2524549248. Its totient is φ = 1402527280.

The previous prime is 1928475041. The next prime is 1928475067. The reversal of 1928475065 is 5605748291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1928475065 - 2¹⁴ = 1928458681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1928475067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17531537 + ... + 17531646.

It is an arithmetic number, because the mean of its divisors is an integer number (315568656).

Almost surely, 2^1928475065 is an apocalyptic number.

It is an amenable number.

1928475065 is a deficient number, since it is larger than the sum of its proper divisors (596074183).

1928475065 is a wasteful number, since it uses less digits than its factorization.

1928475065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35063199.

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 1928475065 is about 43914.4061214540. The cubic root of 1928475065 is about 1244.7190680248.

It can be divided in two parts, 19284 and 75065, that added together give a palindrome (94349).

The spelling of 1928475065 in words is "one billion, nine hundred twenty-eight million, four hundred seventy-five thousand, sixty-five".