38199509242 has 8 divisors (see below), whose sum is σ = 57426880500. Its totient is φ = 19057215744.

The previous prime is 38199509239. The next prime is 38199509281. The reversal of 38199509242 is 24290599183.

38199509242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35328585681 + 2870923561 = 187959^2 + 53581^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 38199509242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21268317 + ... + 21270112.

Almost surely, 2^38199509242 is an apocalyptic number.

38199509242 is a deficient number, since it is larger than the sum of its proper divisors (19227371258).

38199509242 is a wasteful number, since it uses less digits than its factorization.

38199509242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42538880.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 38199509242 in words is "thirty-eight billion, one hundred ninety-nine million, five hundred nine thousand, two hundred forty-two".