38449580629 has 4 divisors (see below), whose sum is σ = 40711320684. Its totient is φ = 36187840576.

The previous prime is 38449580623. The next prime is 38449580633. The reversal of 38449580629 is 92608594483.

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 20900484900 + 17549095729 = 144570^2 + 132473^2 .

It is a cyclic number.

It is not a de Polignac number, because 38449580629 - 2³ = 38449580621 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 (38449580621) 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 3 ways as a sum of consecutive naturals, for example, 1130870002 + ... + 1130870035.

It is an arithmetic number, because the mean of its divisors is an integer number (10177830171).

Almost surely, 2^38449580629 is an apocalyptic number.

It is an amenable number.

38449580629 is a deficient number, since it is larger than the sum of its proper divisors (2261740055).

38449580629 is a wasteful number, since it uses less digits than its factorization.

38449580629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261740054.

The product of its (nonzero) digits is 14929920, while the sum is 58.

It can be divided in two parts, 384495 and 80629, that added together give a square (465124 = 682²).

The spelling of 38449580629 in words is "thirty-eight billion, four hundred forty-nine million, five hundred eighty thousand, six hundred twenty-nine".