38198929020799 has 4 divisors (see below), whose sum is σ = 38592732412864. Its totient is φ = 37805125628736.

The previous prime is 38198929020793. The next prime is 38198929020817. The reversal of 38198929020799 is 99702092989183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38198929020799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38198929020793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196901695887 + ... + 196901696080.

It is an arithmetic number, because the mean of its divisors is an integer number (9648183103216).

Almost surely, 2^{38198929020799} is an apocalyptic number.

38198929020799 is a deficient number, since it is larger than the sum of its proper divisors (393803392065).

38198929020799 is an equidigital number, since it uses as much as digits as its factorization.

38198929020799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393803392064.

The product of its (nonzero) digits is 317447424, while the sum is 76.

The spelling of 38198929020799 in words is "thirty-eight trillion, one hundred ninety-eight billion, nine hundred twenty-nine million, twenty thousand, seven hundred ninety-nine".