38982445193 has 4 divisors (see below), whose sum is σ = 38983205268. Its totient is φ = 38981685120.

The previous prime is 38982445189. The next prime is 38982445207. The reversal of 38982445193 is 39154428983.

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 27049723024 + 11932722169 = 164468^2 + 109237^2 .

It is a cyclic number.

It is not a de Polignac number, because 38982445193 - 2² = 38982445189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38982445393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297068 + ... + 407693.

It is an arithmetic number, because the mean of its divisors is an integer number (9745801317).

Almost surely, 2^38982445193 is an apocalyptic number.

It is an amenable number.

38982445193 is a deficient number, since it is larger than the sum of its proper divisors (760075).

38982445193 is an equidigital number, since it uses as much as digits as its factorization.

38982445193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760074.

The product of its digits is 7464960, while the sum is 56.

The spelling of 38982445193 in words is "thirty-eight billion, nine hundred eighty-two million, four hundred forty-five thousand, one hundred ninety-three".