38045833193 has 2 divisors, whose sum is σ = 38045833194. Its totient is φ = 38045833192.

The previous prime is 38045833129. The next prime is 38045833223. The reversal of 38045833193 is 39133854083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34690180009 + 3355653184 = 186253^2 + 57928^2 .

It is an emirp because it is prime and its reverse (39133854083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38045833193 - 2⁶ = 38045833129 is a prime.

It is not a weakly prime, because it can be changed into another prime (38045833123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19022916596 + 19022916597.

It is an arithmetic number, because the mean of its divisors is an integer number (19022916597).

Almost surely, 2^38045833193 is an apocalyptic number.

It is an amenable number.

38045833193 is a deficient number, since it is larger than the sum of its proper divisors (1).

38045833193 is an equidigital number, since it uses as much as digits as its factorization.

38045833193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 38045833193 in words is "thirty-eight billion, forty-five million, eight hundred thirty-three thousand, one hundred ninety-three".