38319891383 has 2 divisors, whose sum is σ = 38319891384. Its totient is φ = 38319891382.

The previous prime is 38319891361. The next prime is 38319891397.

It is a happy number.

38319891383 is nontrivially palindromic in base 10.

38319891383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38319891383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38319891283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19159945691 + 19159945692.

It is an arithmetic number, because the mean of its divisors is an integer number (19159945692).

Almost surely, 2^38319891383 is an apocalyptic number.

38319891383 is a deficient number, since it is larger than the sum of its proper divisors (1).

38319891383 is an equidigital number, since it uses as much as digits as its factorization.

38319891383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 56.

The spelling of 38319891383 in words is "thirty-eight billion, three hundred nineteen million, eight hundred ninety-one thousand, three hundred eighty-three".