38138480573 has 4 divisors (see below), whose sum is σ = 38763701628. Its totient is φ = 37513259520.

The previous prime is 38138480489. The next prime is 38138480591. The reversal of 38138480573 is 37508483183.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 739948804 + 37398531769 = 27202^2 + 193387^2 .

It is a cyclic number.

It is not a de Polignac number, because 38138480573 - 2¹² = 38138476477 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 (38138480773) 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 3 ways as a sum of consecutive naturals, for example, 312610436 + ... + 312610557.

It is an arithmetic number, because the mean of its divisors is an integer number (9690925407).

Almost surely, 2^38138480573 is an apocalyptic number.

It is an amenable number.

38138480573 is a deficient number, since it is larger than the sum of its proper divisors (625221055).

38138480573 is an equidigital number, since it uses as much as digits as its factorization.

38138480573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625221054.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 38138480573 in words is "thirty-eight billion, one hundred thirty-eight million, four hundred eighty thousand, five hundred seventy-three".