38611100194447 has 6 divisors (see below), whose sum is σ = 42440300213864. Its totient is φ = 35101000176660.

The previous prime is 38611100194397. The next prime is 38611100194517. The reversal of 38611100194447 is 74449100111683.

It is a happy number.

It is not a de Polignac number, because 38611100194447 - 2¹⁵ = 38611100161679 is a prime.

It is a super-2 number, since 2×38611100194447² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38611100194447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38611100164447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159550000683 + ... + 159550000924.

Almost surely, 2^{38611100194447} is an apocalyptic number.

38611100194447 is a deficient number, since it is larger than the sum of its proper divisors (3829200019417).

38611100194447 is a wasteful number, since it uses less digits than its factorization.

38611100194447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319100001629 (or 319100001618 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 38611100194447 in words is "thirty-eight trillion, six hundred eleven billion, one hundred million, one hundred ninety-four thousand, four hundred forty-seven".