2870850813 has 4 divisors (see below), whose sum is σ = 3827801088. Its totient is φ = 1913900540.

The previous prime is 2870850803. The next prime is 2870850881. The reversal of 2870850813 is 3180580782.

It is a happy number.

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 2870850813 - 2⁴ = 2870850797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870850803) 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, 478475133 + ... + 478475138.

It is an arithmetic number, because the mean of its divisors is an integer number (956950272).

Almost surely, 2^2870850813 is an apocalyptic number.

It is an amenable number.

2870850813 is a deficient number, since it is larger than the sum of its proper divisors (956950275).

2870850813 is an equidigital number, since it uses as much as digits as its factorization.

2870850813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956950274.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 2870850813 is about 53580.3211356558. The cubic root of 2870850813 is about 1421.2491179316.

The spelling of 2870850813 in words is "two billion, eight hundred seventy million, eight hundred fifty thousand, eight hundred thirteen".