2870145609 has 4 divisors (see below), whose sum is σ = 3826860816. Its totient is φ = 1913430404.

The previous prime is 2870145589. The next prime is 2870145671. The reversal of 2870145609 is 9065410782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2870145609 - 2⁸ = 2870145353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2870145409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478357599 + ... + 478357604.

It is an arithmetic number, because the mean of its divisors is an integer number (956715204).

Almost surely, 2^2870145609 is an apocalyptic number.

It is an amenable number.

2870145609 is a deficient number, since it is larger than the sum of its proper divisors (956715207).

2870145609 is an equidigital number, since it uses as much as digits as its factorization.

2870145609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956715206.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2870145609 is about 53573.7399198525. The cubic root of 2870145609 is about 1421.1327351695.

The spelling of 2870145609 in words is "two billion, eight hundred seventy million, one hundred forty-five thousand, six hundred nine".