2850392561 has 4 divisors (see below), whose sum is σ = 2850688512. Its totient is φ = 2850096612.

The previous prime is 2850392549. The next prime is 2850392621. The reversal of 2850392561 is 1652930582.

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 2850392561 - 2¹⁸ = 2850130417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2850392761) 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 in 3 ways as a sum of consecutive naturals, for example, 133025 + ... + 152958.

It is an arithmetic number, because the mean of its divisors is an integer number (712672128).

Almost surely, 2^2850392561 is an apocalyptic number.

It is an amenable number.

2850392561 is a deficient number, since it is larger than the sum of its proper divisors (295951).

2850392561 is an equidigital number, since it uses as much as digits as its factorization.

2850392561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295950.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 2850392561 is about 53389.0678041863. The cubic root of 2850392561 is about 1417.8650322820.

The spelling of 2850392561 in words is "two billion, eight hundred fifty million, three hundred ninety-two thousand, five hundred sixty-one".