2870106809 has 2 divisors, whose sum is σ = 2870106810. Its totient is φ = 2870106808.

The previous prime is 2870106803. The next prime is 2870106817. The reversal of 2870106809 is 9086010782.

2870106809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2862250000 + 7856809 = 53500^2 + 2803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2870106809 - 2⁴ = 2870106793 is a prime.

It is not a weakly prime, because it can be changed into another prime (2870106803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435053404 + 1435053405.

It is an arithmetic number, because the mean of its divisors is an integer number (1435053405).

Almost surely, 2^2870106809 is an apocalyptic number.

It is an amenable number.

2870106809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870106809 is an equidigital number, since it uses as much as digits as its factorization.

2870106809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 2870106809 is about 53573.3778009190. The cubic root of 2870106809 is about 1421.1263312902.

The spelling of 2870106809 in words is "two billion, eight hundred seventy million, one hundred six thousand, eight hundred nine".