2105345051 has 2 divisors, whose sum is σ = 2105345052. Its totient is φ = 2105345050.

The previous prime is 2105345009. The next prime is 2105345111. The reversal of 2105345051 is 1505435012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105345051 - 2³⁰ = 1031603227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105345051.

It is not a weakly prime, because it can be changed into another prime (2105345951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052672525 + 1052672526.

It is an arithmetic number, because the mean of its divisors is an integer number (1052672526).

Almost surely, 2^2105345051 is an apocalyptic number.

2105345051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105345051 is an equidigital number, since it uses as much as digits as its factorization.

2105345051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2105345051 is about 45884.0391748591. The cubic root of 2105345051 is about 1281.6647144965.

The spelling of 2105345051 in words is "two billion, one hundred five million, three hundred forty-five thousand, fifty-one".