38543921063 has 2 divisors, whose sum is σ = 38543921064. Its totient is φ = 38543921062.

The previous prime is 38543920969. The next prime is 38543921107. The reversal of 38543921063 is 36012934583.

It is an a-pointer prime, because the next prime (38543921107) can be obtained adding 38543921063 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38543921063 - 2¹⁸ = 38543658919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38543921863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19271960531 + 19271960532.

It is an arithmetic number, because the mean of its divisors is an integer number (19271960532).

Almost surely, 2^38543921063 is an apocalyptic number.

38543921063 is a deficient number, since it is larger than the sum of its proper divisors (1).

38543921063 is an equidigital number, since it uses as much as digits as its factorization.

38543921063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 38543921063 in words is "thirty-eight billion, five hundred forty-three million, nine hundred twenty-one thousand, sixty-three".