4038497161 has 2 divisors, whose sum is σ = 4038497162. Its totient is φ = 4038497160.

The previous prime is 4038497147. The next prime is 4038497209. The reversal of 4038497161 is 1617948304.

4038497161 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., 2857543936 + 1180953225 = 53456^2 + 34365^2 .

It is a cyclic number.

It is not a de Polignac number, because 4038497161 - 2⁵ = 4038497129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4038497261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019248580 + 2019248581.

It is an arithmetic number, because the mean of its divisors is an integer number (2019248581).

Almost surely, 2^4038497161 is an apocalyptic number.

It is an amenable number.

4038497161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4038497161 is an equidigital number, since it uses as much as digits as its factorization.

4038497161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 4038497161 is about 63549.1712062400. The cubic root of 4038497161 is about 1592.4773375717.

The spelling of 4038497161 in words is "four billion, thirty-eight million, four hundred ninety-seven thousand, one hundred sixty-one".