1936448865 has 24 divisors (see below), whose sum is σ = 3614705640. Its totient is φ = 953328384.

The previous prime is 1936448851. The next prime is 1936448873. The reversal of 1936448865 is 5688446391.

1936448865 is a `hidden beast` number, since 193 + 6 + 448 + 8 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 132917841 + 1803531024 = 11529^2 + 42468^2 .

It is not a de Polignac number, because 1936448865 - 2¹¹ = 1936446817 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1654500 + ... + 1655669.

It is an arithmetic number, because the mean of its divisors is an integer number (150612735).

Almost surely, 2^1936448865 is an apocalyptic number.

1936448865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1936448865 is a deficient number, since it is larger than the sum of its proper divisors (1678256775).

1936448865 is a wasteful number, since it uses less digits than its factorization.

1936448865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310193 (or 3310190 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 1936448865 is about 44005.1004430168. The cubic root of 1936448865 is about 1246.4322511560.

The spelling of 1936448865 in words is "one billion, nine hundred thirty-six million, four hundred forty-eight thousand, eight hundred sixty-five".