38819347994 has 32 divisors (see below), whose sum is σ = 67689703296. Its totient is φ = 16351715520.

The previous prime is 38819347993. The next prime is 38819348017. The reversal of 38819347994 is 49974391883.

It is a self number, because there is not a number n which added to its sum of digits gives 38819347994.

It is not an unprimeable number, because it can be changed into a prime (38819347993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155989 + ... + 1189095.

It is an arithmetic number, because the mean of its divisors is an integer number (2115303228).

Almost surely, 2^38819347994 is an apocalyptic number.

38819347994 is a deficient number, since it is larger than the sum of its proper divisors (28870355302).

38819347994 is a wasteful number, since it uses less digits than its factorization.

38819347994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34550.

The product of its digits is 47029248, while the sum is 65.

The spelling of 38819347994 in words is "thirty-eight billion, eight hundred nineteen million, three hundred forty-seven thousand, nine hundred ninety-four".