38719530693 has 6 divisors (see below), whose sum is σ = 55928211014. Its totient is φ = 25813020456.

The previous prime is 38719530653. The next prime is 38719530697. The reversal of 38719530693 is 39603591783.

38719530693 is a `hidden beast` number, since 3 + 8 + 7 + 19 + 530 + 6 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38516810049 + 202720644 = 196257^2 + 14238^2 .

It is not a de Polignac number, because 38719530693 - 2⁹ = 38719530181 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 (38719530697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2151085030 + ... + 2151085047.

Almost surely, 2^38719530693 is an apocalyptic number.

It is an amenable number.

38719530693 is a deficient number, since it is larger than the sum of its proper divisors (17208680321).

38719530693 is a wasteful number, since it uses less digits than its factorization.

38719530693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302170083 (or 4302170080 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 38719530693 in words is "thirty-eight billion, seven hundred nineteen million, five hundred thirty thousand, six hundred ninety-three".