38452549549 has 4 divisors (see below), whose sum is σ = 38454148540. Its totient is φ = 38450950560.

The previous prime is 38452549529. The next prime is 38452549649. The reversal of 38452549549 is 94594525483.

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 9757883524 + 28694666025 = 98782^2 + 169395^2 .

It is a cyclic number.

It is not a de Polignac number, because 38452549549 - 2¹¹ = 38452547501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38452549493 and 38452549502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38452549519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762864 + ... + 811705.

It is an arithmetic number, because the mean of its divisors is an integer number (9613537135).

Almost surely, 2^38452549549 is an apocalyptic number.

It is an amenable number.

38452549549 is a deficient number, since it is larger than the sum of its proper divisors (1598991).

38452549549 is a wasteful number, since it uses less digits than its factorization.

38452549549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598990.

The product of its digits is 31104000, while the sum is 58.

The spelling of 38452549549 in words is "thirty-eight billion, four hundred fifty-two million, five hundred forty-nine thousand, five hundred forty-nine".