38922561445 has 8 divisors (see below), whose sum is σ = 46743093144. Its totient is φ = 31114036224.

The previous prime is 38922561437. The next prime is 38922561449. The reversal of 38922561445 is 54416522983.

It can be written as a sum of positive squares in 4 ways, for example, as 22709887204 + 16212674241 = 150698^2 + 127329^2 .

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 38922561445 - 2³ = 38922561437 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 (38922561449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994484 + ... + 3007453.

It is an arithmetic number, because the mean of its divisors is an integer number (5842886643).

Almost surely, 2^38922561445 is an apocalyptic number.

It is an amenable number.

38922561445 is a deficient number, since it is larger than the sum of its proper divisors (7820531699).

38922561445 is a wasteful number, since it uses less digits than its factorization.

38922561445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003239.

The product of its digits is 2073600, while the sum is 49.

The spelling of 38922561445 in words is "thirty-eight billion, nine hundred twenty-two million, five hundred sixty-one thousand, four hundred forty-five".