3809845093 has 2 divisors, whose sum is σ = 3809845094. Its totient is φ = 3809845092.

The previous prime is 3809845079. The next prime is 3809845111. The reversal of 3809845093 is 3905489083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3547631844 + 262213249 = 59562^2 + 16193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3809845093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3809845393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904922546 + 1904922547.

It is an arithmetic number, because the mean of its divisors is an integer number (1904922547).

Almost surely, 2^3809845093 is an apocalyptic number.

It is an amenable number.

3809845093 is a deficient number, since it is larger than the sum of its proper divisors (1).

3809845093 is an equidigital number, since it uses as much as digits as its factorization.

3809845093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 3809845093 is about 61723.9426235881. The cubic root of 3809845093 is about 1561.8372356131.

The spelling of 3809845093 in words is "three billion, eight hundred nine million, eight hundred forty-five thousand, ninety-three".