38289070081 has 2 divisors, whose sum is σ = 38289070082. Its totient is φ = 38289070080.

The previous prime is 38289070049. The next prime is 38289070087. The reversal of 38289070081 is 18007098283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27222030081 + 11067040000 = 164991^2 + 105200^2 .

It is a cyclic number.

It is not a de Polignac number, because 38289070081 - 2⁵ = 38289070049 is a prime.

It is a super-2 number, since 2×38289070081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38289070087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19144535040 + 19144535041.

It is an arithmetic number, because the mean of its divisors is an integer number (19144535041).

Almost surely, 2^38289070081 is an apocalyptic number.

It is an amenable number.

38289070081 is a deficient number, since it is larger than the sum of its proper divisors (1).

38289070081 is an equidigital number, since it uses as much as digits as its factorization.

38289070081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 38289070081 in words is "thirty-eight billion, two hundred eighty-nine million, seventy thousand, eighty-one".