6845438101 has 2 divisors, whose sum is σ = 6845438102. Its totient is φ = 6845438100.

The previous prime is 6845438071. The next prime is 6845438107. The reversal of 6845438101 is 1018345486.

6845438101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6630844900 + 214593201 = 81430^2 + 14649^2 .

It is a cyclic number.

It is not a de Polignac number, because 6845438101 - 2⁵ = 6845438069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6845438107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422719050 + 3422719051.

It is an arithmetic number, because the mean of its divisors is an integer number (3422719051).

Almost surely, 2^6845438101 is an apocalyptic number.

It is an amenable number.

6845438101 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845438101 is an equidigital number, since it uses as much as digits as its factorization.

6845438101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 6845438101 is about 82737.1627565268. The cubic root of 6845438101 is about 1898.7469208482.

The spelling of 6845438101 in words is "six billion, eight hundred forty-five million, four hundred thirty-eight thousand, one hundred one".