38334776991 has 16 divisors (see below), whose sum is σ = 59657769984. Its totient is φ = 21439509984.

The previous prime is 38334776929. The next prime is 38334776993. The reversal of 38334776991 is 19967743383.

It is a happy number.

It is not a de Polignac number, because 38334776991 - 2⁹ = 38334776479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38334776993) 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, 19418860 + ... + 19420833.

It is an arithmetic number, because the mean of its divisors is an integer number (3728610624).

Almost surely, 2^38334776991 is an apocalyptic number.

38334776991 is a deficient number, since it is larger than the sum of its proper divisors (21322992993).

38334776991 is a wasteful number, since it uses less digits than its factorization.

38334776991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38839750.

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

The spelling of 38334776991 in words is "thirty-eight billion, three hundred thirty-four million, seven hundred seventy-six thousand, nine hundred ninety-one".