38016459649 has 8 divisors (see below), whose sum is σ = 43453674368. Its totient is φ = 32580817920.

The previous prime is 38016459641. The next prime is 38016459653. The reversal of 38016459649 is 94695461083.

It is a happy number.

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

It is not a de Polignac number, because 38016459649 - 2³ = 38016459641 is a prime.

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 38016459649.

It is not an unprimeable number, because it can be changed into a prime (38016459641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 340992 + ... + 438529.

It is an arithmetic number, because the mean of its divisors is an integer number (5431709296).

Almost surely, 2^38016459649 is an apocalyptic number.

It is an amenable number.

38016459649 is a deficient number, since it is larger than the sum of its proper divisors (5437214719).

38016459649 is an equidigital number, since it uses as much as digits as its factorization.

38016459649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786495.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 38016459649 in words is "thirty-eight billion, sixteen million, four hundred fifty-nine thousand, six hundred forty-nine".