2100605147 has 2 divisors, whose sum is σ = 2100605148. Its totient is φ = 2100605146.

The previous prime is 2100605141. The next prime is 2100605159. The reversal of 2100605147 is 7415060012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100605147 - 2³⁰ = 1026863323 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100605141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050302573 + 1050302574.

It is an arithmetic number, because the mean of its divisors is an integer number (1050302574).

Almost surely, 2^2100605147 is an apocalyptic number.

2100605147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100605147 is an equidigital number, since it uses as much as digits as its factorization.

2100605147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2100605147 is about 45832.3591690413. The cubic root of 2100605147 is about 1280.7021593073.

Adding to 2100605147 its reverse (7415060012), we get a palindrome (9515665159).

The spelling of 2100605147 in words is "two billion, one hundred million, six hundred five thousand, one hundred forty-seven".