2105395147 has 2 divisors, whose sum is σ = 2105395148. Its totient is φ = 2105395146.

The previous prime is 2105395139. The next prime is 2105395153. The reversal of 2105395147 is 7415935012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105395147 - 2³ = 2105395139 is a prime.

It is a super-2 number, since 2×2105395147² = 8865377450022303218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2105395177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052697573 + 1052697574.

It is an arithmetic number, because the mean of its divisors is an integer number (1052697574).

Almost surely, 2^2105395147 is an apocalyptic number.

2105395147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105395147 is an equidigital number, since it uses as much as digits as its factorization.

2105395147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 2105395147 is about 45884.5850694980. The cubic root of 2105395147 is about 1281.6748800140.

The spelling of 2105395147 in words is "two billion, one hundred five million, three hundred ninety-five thousand, one hundred forty-seven".