38350198897 has 4 divisors (see below), whose sum is σ = 38354606080. Its totient is φ = 38345791716.

The previous prime is 38350198841. The next prime is 38350198903. The reversal of 38350198897 is 79889105383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38350198897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38350193897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190513 + ... + 2207950.

It is an arithmetic number, because the mean of its divisors is an integer number (9588651520).

Almost surely, 2^38350198897 is an apocalyptic number.

It is an amenable number.

38350198897 is a deficient number, since it is larger than the sum of its proper divisors (4407183).

38350198897 is an equidigital number, since it uses as much as digits as its factorization.

38350198897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407182.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 38350198897 in words is "thirty-eight billion, three hundred fifty million, one hundred ninety-eight thousand, eight hundred ninety-seven".