38340345873 has 8 divisors (see below), whose sum is σ = 51154799200. Its totient is φ = 25543061568.

The previous prime is 38340345847. The next prime is 38340345887. The reversal of 38340345873 is 37854304383.

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

It is a de Polignac number, because none of the positive numbers 2^k-38340345873 is a prime.

It is a super-2 number, since 2×38340345873² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38340345073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4287043 + ... + 4295976.

It is an arithmetic number, because the mean of its divisors is an integer number (6394349900).

Almost surely, 2^38340345873 is an apocalyptic number.

It is an amenable number.

38340345873 is a deficient number, since it is larger than the sum of its proper divisors (12814453327).

38340345873 is a wasteful number, since it uses less digits than its factorization.

38340345873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8584511.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 38340345873 in words is "thirty-eight billion, three hundred forty million, three hundred forty-five thousand, eight hundred seventy-three".