38530860493 has 8 divisors (see below), whose sum is σ = 38628039800. Its totient is φ = 38433719808.

The previous prime is 38530860481. The next prime is 38530860517. The reversal of 38530860493 is 39406803583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 654694569 + 37876165924 = 25587^2 + 194618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38530860493 - 2¹⁷ = 38530729421 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 (38530860413) 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, 3939313 + ... + 3949081.

It is an arithmetic number, because the mean of its divisors is an integer number (4828504975).

Almost surely, 2^38530860493 is an apocalyptic number.

It is an amenable number.

38530860493 is a deficient number, since it is larger than the sum of its proper divisors (97179307).

38530860493 is an equidigital number, since it uses as much as digits as its factorization.

38530860493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19311.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 38530860493 in words is "thirty-eight billion, five hundred thirty million, eight hundred sixty thousand, four hundred ninety-three".