38845430865 has 48 divisors (see below), whose sum is σ = 73592603136. Its totient is φ = 18869875200.

The previous prime is 38845430849. The next prime is 38845430881. The reversal of 38845430865 is 56803454883.

38845430865 is a `hidden beast` number, since 3 + 88 + 454 + 30 + 86 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (38845430849) and next prime (38845430881).

It is not a de Polignac number, because 38845430865 - 2⁴ = 38845430849 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 795291 + ... + 842720.

It is an arithmetic number, because the mean of its divisors is an integer number (1533179232).

Almost surely, 2^38845430865 is an apocalyptic number.

It is an amenable number.

38845430865 is a deficient number, since it is larger than the sum of its proper divisors (34747172271).

38845430865 is a wasteful number, since it uses less digits than its factorization.

38845430865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638070 (or 1638067 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 38845430865 in words is "thirty-eight billion, eight hundred forty-five million, four hundred thirty thousand, eight hundred sixty-five".