38846623181 has 2 divisors, whose sum is σ = 38846623182. Its totient is φ = 38846623180.

The previous prime is 38846623169. The next prime is 38846623201. The reversal of 38846623181 is 18132664883.

38846623181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36706728100 + 2139895081 = 191590^2 + 46259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38846623181 is a prime.

It is a super-2 number, since 2×38846623181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38846623111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19423311590 + 19423311591.

It is an arithmetic number, because the mean of its divisors is an integer number (19423311591).

Almost surely, 2^38846623181 is an apocalyptic number.

It is an amenable number.

38846623181 is a deficient number, since it is larger than the sum of its proper divisors (1).

38846623181 is an equidigital number, since it uses as much as digits as its factorization.

38846623181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The spelling of 38846623181 in words is "thirty-eight billion, eight hundred forty-six million, six hundred twenty-three thousand, one hundred eighty-one".