38013690833 has 2 divisors, whose sum is σ = 38013690834. Its totient is φ = 38013690832.

The previous prime is 38013690809. The next prime is 38013690853. The reversal of 38013690833 is 33809631083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37097841664 + 915849169 = 192608^2 + 30263^2 .

It is an emirp because it is prime and its reverse (33809631083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38013690833 - 2⁸ = 38013690577 is a prime.

It is not a weakly prime, because it can be changed into another prime (38013690853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19006845416 + 19006845417.

It is an arithmetic number, because the mean of its divisors is an integer number (19006845417).

Almost surely, 2^38013690833 is an apocalyptic number.

It is an amenable number.

38013690833 is a deficient number, since it is larger than the sum of its proper divisors (1).

38013690833 is an equidigital number, since it uses as much as digits as its factorization.

38013690833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 38013690833 in words is "thirty-eight billion, thirteen million, six hundred ninety thousand, eight hundred thirty-three".