2850730129 has 4 divisors (see below), whose sum is σ = 3070017076. Its totient is φ = 2631443184.

The previous prime is 2850730121. The next prime is 2850730139. The reversal of 2850730129 is 9210370582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1271065104 + 1579665025 = 35652^2 + 39745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2850730129 - 2³ = 2850730121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2850730121) 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, 109643454 + ... + 109643479.

It is an arithmetic number, because the mean of its divisors is an integer number (767504269).

Almost surely, 2^2850730129 is an apocalyptic number.

It is an amenable number.

2850730129 is a deficient number, since it is larger than the sum of its proper divisors (219286947).

2850730129 is a wasteful number, since it uses less digits than its factorization.

2850730129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219286946.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2850730129 is about 53392.2291068654. The cubic root of 2850730129 is about 1417.9210019961.

The spelling of 2850730129 in words is "two billion, eight hundred fifty million, seven hundred thirty thousand, one hundred twenty-nine".