38538267851 has 2 divisors, whose sum is σ = 38538267852. Its totient is φ = 38538267850.

The previous prime is 38538267847. The next prime is 38538267973. The reversal of 38538267851 is 15876283583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38538267851 - 2² = 38538267847 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (38538267151) 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, 19269133925 + 19269133926.

It is an arithmetic number, because the mean of its divisors is an integer number (19269133926).

Almost surely, 2^38538267851 is an apocalyptic number.

38538267851 is a deficient number, since it is larger than the sum of its proper divisors (1).

38538267851 is an equidigital number, since it uses as much as digits as its factorization.

38538267851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 56.

The spelling of 38538267851 in words is "thirty-eight billion, five hundred thirty-eight million, two hundred sixty-seven thousand, eight hundred fifty-one".