38819442463 has 2 divisors, whose sum is σ = 38819442464. Its totient is φ = 38819442462.

The previous prime is 38819442461. The next prime is 38819442499. The reversal of 38819442463 is 36424491883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38819442463 - 2¹ = 38819442461 is a prime.

It is a super-2 number, since 2×38819442463² (a number of 22 digits) contains 22 as substring.

Together with 38819442461, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38819442463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38819442461) 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, 19409721231 + 19409721232.

It is an arithmetic number, because the mean of its divisors is an integer number (19409721232).

Almost surely, 2^38819442463 is an apocalyptic number.

38819442463 is a deficient number, since it is larger than the sum of its proper divisors (1).

38819442463 is an equidigital number, since it uses as much as digits as its factorization.

38819442463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 52.

The spelling of 38819442463 in words is "thirty-eight billion, eight hundred nineteen million, four hundred forty-two thousand, four hundred sixty-three".