383838383838383 has 2 divisors, whose sum is σ = 383838383838384. Its totient is φ = 383838383838382.

The previous prime is 383838383838353. The next prime is 383838383838409.

383838383838383 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 383838383838383 - 2³⁶ = 383769664361647 is a prime.

It is an alternating number because its digits alternate between odd and even.

383838383838383 is an undulating number in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 383838383838298 and 383838383838307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383838383838353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191919191919191 + 191919191919192.

It is an arithmetic number, because the mean of its divisors is an integer number (191919191919192).

Almost surely, 2^{383838383838383} is an apocalyptic number.

383838383838383 is a deficient number, since it is larger than the sum of its proper divisors (1).

383838383838383 is an equidigital number, since it uses as much as digits as its factorization.

383838383838383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13759414272, while the sum is 80.

The spelling of 383838383838383 in words is "three hundred eighty-three trillion, eight hundred thirty-eight billion, three hundred eighty-three million, eight hundred thirty-eight thousand, three hundred eighty-three".