38678422516009 has 16 divisors (see below), whose sum is σ = 40776697281600. Its totient is φ = 36586445805504.

The previous prime is 38678422516001. The next prime is 38678422516039. The reversal of 38678422516009 is 90061522487683.

It is not a de Polignac number, because 38678422516009 - 2³ = 38678422516001 is a prime.

It is a super-2 number, since 2×38678422516009² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38678422516001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33287259 + ... + 34429615.

It is an arithmetic number, because the mean of its divisors is an integer number (2548543580100).

It is a 1-persistent number, because it is pandigital, but 2⋅38678422516009 = 77356845032018 is not.

Almost surely, 2^{38678422516009} is an apocalyptic number.

It is an amenable number.

38678422516009 is a deficient number, since it is larger than the sum of its proper divisors (2098274765591).

38678422516009 is a wasteful number, since it uses less digits than its factorization.

38678422516009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145112.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 38678422516009 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, five hundred sixteen thousand, nine".