38347691793 has 8 divisors (see below), whose sum is σ = 51131310528. Its totient is φ = 25564600464.

The previous prime is 38347691719. The next prime is 38347691807. The reversal of 38347691793 is 39719674383.

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 38347691793 - 2⁹ = 38347691281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38347691093) 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 7 ways as a sum of consecutive naturals, for example, 92196 + ... + 291882.

It is an arithmetic number, because the mean of its divisors is an integer number (6391413816).

Almost surely, 2^38347691793 is an apocalyptic number.

It is an amenable number.

38347691793 is a deficient number, since it is larger than the sum of its proper divisors (12783618735).

38347691793 is a wasteful number, since it uses less digits than its factorization.

38347691793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263703.

The product of its digits is 20575296, while the sum is 60.

The spelling of 38347691793 in words is "thirty-eight billion, three hundred forty-seven million, six hundred ninety-one thousand, seven hundred ninety-three".